EP0993845B1 - Process and system for monitoring the posture of the user of a training device - Google Patents

Process and system for monitoring the posture of the user of a training device Download PDF

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Publication number
EP0993845B1
EP0993845B1 EP99119383A EP99119383A EP0993845B1 EP 0993845 B1 EP0993845 B1 EP 0993845B1 EP 99119383 A EP99119383 A EP 99119383A EP 99119383 A EP99119383 A EP 99119383A EP 0993845 B1 EP0993845 B1 EP 0993845B1
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EP
European Patent Office
Prior art keywords
user
training apparatus
sensor
training
during
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP99119383A
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German (de)
French (fr)
Other versions
EP0993845A2 (en
EP0993845A3 (en
Inventor
Klaus Dipl.-Phys. Abraham-Fuchs
Thomas Dr. Birkhölzer
Kai-Uwe Dr. Schmidt
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Siemens AG
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Siemens AG
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Publication date
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Publication of EP0993845A3 publication Critical patent/EP0993845A3/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/02—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles)
    • A63B23/0244—Exercising apparatus specially adapted for particular parts of the body for the abdomen, the spinal column or the torso muscles related to shoulders (e.g. chest muscles) with signalling or indicating means, e.g. of incorrect posture, for deep-breathing exercises
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
    • A63B24/0003—Analysing the course of a movement or motion sequences during an exercise or trainings sequence, e.g. swing for golf or tennis
    • A63B24/0006—Computerised comparison for qualitative assessment of motion sequences or the course of a movement
    • A63B2024/0012—Comparing movements or motion sequences with a registered reference
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00—Training appliances or apparatus for special sports
    • A63B69/06—Training appliances or apparatus for special sports for rowing or sculling
    • A63B2069/064—Training appliances or apparatus for special sports for rowing or sculling with pivoting handlebars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0072—Limiting the applied force, torque, movement or speed
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/0054—Features for injury prevention on an apparatus, e.g. shock absorbers
    • A63B2071/0081—Stopping the operation of the apparatus
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B2071/0655—Tactile feedback
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
    • A63B23/0417—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously with guided foot supports moving parallel to the body-symmetrical-plane by translation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S482/00—Exercise devices
    • Y10S482/901—Exercise devices having computer circuitry

Definitions

  • the present invention relates to a method and a corresponding system for monitoring the posture of a user on a training device to make sure that User can achieve the desired training effect.
  • EP 0 700 694 A1 a training device to provide a sensor that is a controlled and dosed training as well as a diagnosis of the skills of the human musculoskeletal system made possible by the Output data of the sensor evaluated by means of a computer which the user of the training device simultaneously with the current motion one of the output signals of the Sensor's derived size.
  • Document US 4,730,625 discloses a garment which worn by the user on the upper body and which is the back covered by the user. On the back of the garment are two strain gauges as well as an electronic one Circuit for evaluation of transmitted from the strain gauges Data attached. Through the strain gauges can registered a change in the attitude of the user become. The electronic circuit evaluates the data and gives a warning signal when the measured posture of the User from a setpoint, that is from an ideal posture, deviates by a certain amount.
  • the device comprises for this purpose a spiral spring in which a wire is located.
  • the wire is firmly fixed on one side and on the other side connected to a meter.
  • the measuring device can determine from this the degree of the angle change and a Output warning signal when the angle change a certain specified value is exceeded or fallen below.
  • the present invention is therefore based on the object to propose a procedure and a corresponding system, with its help in a relatively simple manner reliable the attitude of the user during a training exercise can be monitored on a training device, thus causing damage by overuse of joints, tendons, ligaments or Prevent muscles and the desired training effect to achieve.
  • each kinematic Characteristic value such as a position, a speed or an acceleration, capture.
  • the sensors can For example, in garments, belts or belt systems be integrated so that the sensors easily on Body of the user can be attached.
  • a Evaluation unit such as a portable computer or an am Training device attached central unit, provided, which processes and acquires the measurement data acquired by the sensors Recognizing a faulty movement or faulty posture the user issues a corresponding response.
  • This feedback can be visual or audible, for example respectively.
  • the user directly one Malposition by transmission of a corresponding tactile-perceptible Signal, e.g. in the form of a pressure pulse or a vibration, to communicate.
  • a corresponding tactile-perceptible Signal e.g. in the form of a pressure pulse or a vibration
  • the feedback in the form of a mechanical intervention in the training device to realize, so that for example at a faulty posture of the user braked the training device or blocked.
  • the evaluation unit may have a memory to the Training the user to document. Furthermore, it is possible that the system also has the function of a training control takes over, allowing the user for the training the appropriate training device a certain exercise or a certain number of exercises is given.
  • the advantage of the present invention is that for monitoring the user's posture on the exerciser used sensors are small, easy to carry and cheap is. Elaborate mechanical structures are eliminated. This means both a cost advantage and a for the user more comfortable use of the training device.
  • Training sessions are controlled, which does not provide sufficient have mechanical guidance, as for example at Cable pull devices is the case.
  • the "virtual movement guidance” can in principle be any complex trajectories monitored in the room, e.g. combined turning and Longitudinal movements where normally mechanical constructions quickly reach their limits. All in all can avoid the use of the present invention significantly improves harmful movements on exercise equipment so that consequential damage is diminished and a better training effect can be achieved.
  • FIG. 1 shows a person wearing a training device 9 performs certain training exercise. In the present case acts it is in the training device 9 to a rowing machine.
  • sensors 1 On the body of the person or the user are several sensors 1 attached, each with a specific kinematic Characteristic value during the execution of the corresponding training exercise to capture.
  • the sensors 1 can be advantageous, for example in garments, tapes or belt systems to get integrated.
  • In the example shown in Figure 1 is one of these belt systems 8 shown, wherein the back of the User of one of these sensors 1 integrated in the belt 8 is.
  • Such belt systems in particular similar to mountain harness can be designed by the user easy to put on and hinder the user the execution of the training exercise not or only slightly.
  • sensors 1 can generally be used the arbitrary kinematic characteristics, such.
  • B. Positional, Speed or acceleration values can capture.
  • sensors are well known, so that, for example as sensors 3D ultrasonic markers with antenna, acceleration sensors, Protractors, flexion sensors, Stretchsensoren or the like can be used.
  • an evaluation unit 2 is provided. advantageously, this is a portable computer or a attached to the training device 9 central unit to the To minimize space requirements for the system according to the invention.
  • the evaluation unit 2 receives the recorded by the sensors 1 Measurement data 14 of each monitored kinematic Characteristics, analyzes these and gives to the user Feedback 15 about his attitude or the performance of his Movements out, allowing the user his attitude Correct accordingly while performing the exercise can.
  • the evaluation unit 2 comprises a first Filter device 4, which - if necessary - a preprocessing the measured data 14 acquired by the sensors 1 performs, so that these measurement data for the subsequent evaluation to get prepared.
  • this filtering can Disturbing influences during the transfer of the Measurement data 14 from the sensors 1 to the evaluation unit 2 occur can be eliminated.
  • One of the filter device 4 downstream device 5 performs a kinematic transformation the received measurement data of the sensors 1, so that information is output from device 5 the actual conclusions about the user Allow movements. This kinematic transformation can be omitted if the evaluation directly by comparison the measured data recorded by the sensors 1 with a Comparison measurement data pattern is done.
  • the evaluation unit 2 preset measurement data or Measurement data pattern, in particular a faultless attitude or describe movement of the user, so by a subsequent comparison of the recorded by the sensors 1 Measurement data with this preset measurement data sample directly make a statement about the user's attitude can.
  • the evaluation d. H. the assessment of the user's attitude, on the level of coordinates of certain points in space takes place.
  • the kinematic transformation is through the Means 5 required to be picked up by the sensors 1 Measurement data in the actually evaluated coordinate information convert.
  • the kinematic transformation of the device 5 from the relative angle of certain sensors 1 and the like Segments a statement about the maximum curvature to achieve the spine of the user.
  • the evaluation unit 2 further contains as a central element a device 6 containing the information supplied to it evaluated and classified to finally make a statement to be able to meet about the attitude of the user.
  • the Classification by the device 6 can by known kinematic methods take place.
  • the device may For example, a pattern recognition or a model-based Identification based on neural networks or by applying the fuzzy logic to the instantaneous attitude of the user during execution judge the training exercise on the training device 9 to be able to.
  • the evaluation unit 2 or its classification device 6 is configured such that after detecting a faulty Movement or faulty posture of the user immediately a corresponding effective feedback 15 to the user or to the training device 9 are output.
  • the system shown in Figure 1 comprises an optical Display 3, which provides visual information about the current one Attitude of the user indicates and if necessary prompts the user to correct his posture.
  • a tactile feedback 15 takes place.
  • To this Purpose can be pressure or vibration elements on training equipment 9 or be attached to the user, the case of detection a faulty attitude by the evaluation unit 2 accordingly be activated to by a pressure pulse or a corresponding vibration the user to correct his To ask attitude.
  • Such printing elements can, for example analogous to the sensors 1 in a belt system 8 be arranged.
  • Figure 1 is an example of a printing element 13, which, when activated by the classifier 6 a pressure pulse on the back or the user's spine and thus the user asks to adopt a straighter posture.
  • the feedback 15 of the classification device 6 or the evaluation unit 2 in the form of a mechanical intervention provided in the training device 9, so that when detected a faulty movement or a faulty one Posture of the user mechanically intervened in the training device 9 can be, for example, the training device. 9 to brake or block.
  • the training device. 9 to brake or block.
  • FIG a dashed connection between the classifier 6 and a hydraulic damping device 11 of the rowing machine 9, so that depending on the evaluation result the classifier 6, the resistor this damping device 11 by a corresponding mechanical construction can be changed accordingly.
  • the evaluation unit 2 shown in Figure 1 also includes a Memory 7, which is used to document the training process on the Training device 9 is provided. That is to say in memory 7 that output from the classifier 6 Information about the posture as well as the movements of the user saved. Furthermore, in the memory 7 further training information, such. B. the number of Training exercises, the duration of training, the number of the classification device 6 detected errors, etc., saved.
  • the information stored in the memory 7 are in particular for a therapy control in the course a rehabilitation of the respective user makes sense and are therefore advantageously to the respective therapist transmitted. In addition, the stored in the memory 7 Quality assurance information will be evaluated.
  • the system shown in Figure 1 is also with the Function of a training control equipped.
  • the evaluation unit 2 comprises a control device 10, which give the respective user specific training requirements, such as B. the number of training exercises to be performed, the current number of training exercises, speed information, Performance information, training time information etc., via the display 3 tells.
  • the signal transmission 14 between the sensors 1 and the evaluation unit 2 and the transmission of the response 15 of the evaluation unit 2 to the user is advantageously carried out wireless, in particular a telemetric transmission all data flows between the sensors 1 and the evaluation unit 2 and the evaluation unit 2 and the respective Feedback device (in Figure 1 of the display 3, the Pressure element 13 or the damping device 11 of the training device 9) and between the evaluation unit 2 and the Classification device 6 and the memory 7 is possible.
  • the present invention Invention a simple and cheap to implement Possibility provides to the attitude of the user or the movements performed by him during the use of a Training device 9 to monitor effectively.
  • the Attitude of the user can thus also be more complicated during Training exercises or movements reliably assessed become. Avoidance of harmful movements and consequential damages can be significantly improved and a better one Training effect is possible.

Description

Die vorliegende Erfindung betrifft ein Verfahren sowie ein entsprechendes System zum Überwachen der Haltung eines Benutzers an einem Trainingsgerät, um sicherzustellen, dass der Benutzer den gewünschten Trainingseffekt erzielen kann.The present invention relates to a method and a corresponding system for monitoring the posture of a user on a training device to make sure that User can achieve the desired training effect.

An Trainingsgeräten, wie z. B. Fitness- oder Kraftgeräten, müssen gezielt bestimmte Bewegungen durchgeführt werden, um den gewünschten Trainingseffekt zu erzielen. Führt der jeweilige Benutzer die Bewegung anders oder in einer falschen Körperhaltung aus, ist nicht nur der gewünschte Trainingseffekt gefährdet, sondern es können durch eine Überbeanspruchung von Gelenken, Sehnen, Bändern oder Muskeln sogar schwerwiegende Schäden entstehen.On training devices, such. B. fitness or weight training equipment, Specific movements must be carried out in order to to achieve the desired training effect. Performs the respective Users exercise differently or in a wrong posture off, is not just the desired training effect endangered, but it can be due to overuse of Joints, tendons, ligaments or muscles even serious Damage occurs.

Um dieses Problem zu beheben, werden Benutzer von Trainingsgeräten von dem Personal des Fitnessstudios in die Benutzung des jeweiligen Trainingsgeräts eingewiesen. Dies-ist jedoch sehr zeit- und personalaufwendig. Des weiteren ist dadurch nicht gewährleistet, dass der Benutzer tatsächlich die jeweilige Trainingsübung richtig ausführt. Darüber hinaus ist bekannt, die zuvor genannten falschen Bewegungen an den Trainingsgeräten dadurch zu vermeiden, dass die jeweilige Bewegung durch entsprechende mit dem Trainingsgerät gekoppelte mechanische Konstruktionen sehr genau geführt wird. Diese mechanischen Konstruktionen sind beispielsweise derart aufgebaut, dass im Extremfall alle Bewegungen, die nicht in die gewünschte Bewegungsrichtung gerichtet sind, verhindert werden. Zu diesem Zweck sind jedoch mechanisch sehr aufwendige Konstruktionen erforderlich.To correct this problem, users of exercise equipment by the staff of the gym in the use instructed the respective training device. This is, however very time and personnel consuming. Furthermore, it is characterized does not guarantee that the user is actually the respective one Exercises properly. In addition, it is known the aforementioned false movements on the exercise equipment thereby avoiding the respective movement by appropriate coupled with the training device mechanical constructions is performed very accurately. This mechanical Constructions are, for example, constructed in such a way that in extreme cases, all movements that are not in the desired direction of movement are directed to be prevented. For this purpose, however, are very complicated mechanically Constructions required.

Außerdem ist es aus der EP 0 700 694 A1 bekannt, ein Trainingsgerät mit einem Sensor zu versehen, der ein kontrolliertes und dosiertes Training sowie eine Diagnose der Fähigkeiten des menschlichen Bewegungsapparates ermöglicht, indem die Ausgangsdaten des Sensors mittels eines Rechners ausgewertet werden, der dem Benutzer des Trainingsgerätes simultan mit der momentanen Bewegung eine aus den Ausgangssignalen des Sensors abgeleitete Größe anzeigt.In addition, it is known from EP 0 700 694 A1, a training device to provide a sensor that is a controlled and dosed training as well as a diagnosis of the skills of the human musculoskeletal system made possible by the Output data of the sensor evaluated by means of a computer which the user of the training device simultaneously with the current motion one of the output signals of the Sensor's derived size.

Aus der WO 94/26359 A1 ist es bekannt, die Bewegung eines Gelenks im Zuge von der Rehabilitation dienenden, unabhängig von einem Trainingsgerät stattfindenden gymnastischen Übungen eines Patienten aufzuzeichnen und auszuwerten, und zwar mittels eines an dem Patienten angebrachten Sensors, wobei lediglich die Anzahl und das Ausmaß der Bewegungen registriert werden.From WO 94/26359 A1 it is known the movement of a joint in the course of rehabilitation serving, independent gymnastic exercises taking place by a training device a patient to record and evaluate, by means of a sensor attached to the patient, wherein only the number and extent of movements registered become.

Ebenfalls unabhängig von einem Trainingsgerät ist es aus der DE 195 22 958 A1 bekannt, körpereigene physikalische Werte eines Probanden über Sensoren aufzunehmen und die entsprechenden Ausgangssignale in durch den Probanden wahrnehmbare Musik umzuwandeln.Also independent of a training device, it is from the DE 195 22 958 A1 discloses the body's own physical values of a subject via sensors and record the corresponding Output signals perceptible by the subject To transform music.

Außerdem ist es aus der DE 39.33 999 A1 bekannt, ein Laufbandgerät zur körperlichen Belastung eines Probanden hinsichtlich der Geschwindigkeit des Bandes zu steuern, indem die Position eines Probanden auf dem Laufband mittels Sensoren erfasst wird und je nach Position des Probanden auf dem Laufband die Geschwindigkeit des Laufbandes erhöht oder verringert wird.It is also known from DE 39.33 999 A1, a treadmill device regarding the physical strain of a subject with regard to to control the speed of the tape by the position of a subject on the treadmill by means of sensors is recorded and depending on the position of the subject on the Treadmill increases or decreases the speed of the treadmill becomes.

Dokument US 4,730,625 offenbart ein Kleidungsstück, welches vom Benutzer am Oberkörper getragen wird und welches den Rücken des Benutzers bedeckt. Auf der Rückseite des Kleidungsstücks sind zwei Dehnmessstreifen sowie ein elektronischer Schaltkreis zur Auswertung der von den Dehnmessstreifen übermittelten Daten angebracht. Durch die Dehnmessstreifen kann eine Veränderung in der Haltung des Benutzers registriert werden. Der elektronische Schaltkreis wertet die Daten aus und gibt ein Warnsignal aus, wenn die gemessene Haltung des Benutzers von einem Sollwert, das heißt von einer Idealhaltung, um ein bestimmtes Maß abweicht.Document US 4,730,625 discloses a garment which worn by the user on the upper body and which is the back covered by the user. On the back of the garment are two strain gauges as well as an electronic one Circuit for evaluation of transmitted from the strain gauges Data attached. Through the strain gauges can registered a change in the attitude of the user become. The electronic circuit evaluates the data and gives a warning signal when the measured posture of the User from a setpoint, that is from an ideal posture, deviates by a certain amount.

In Dokument US 4,940,063 ist eine Vorrichtung zum Messen von Winkelabweichungen offenbart. Die Vorrichtung umfasst hierfür eine Spiralfeder, in der sich ein Draht befindet. Der Draht ist an einer Seite fest fixiert und an der anderen Seite mit einem Messgerät verbunden. Wenn die Spiralfeder abgewinkelt wird, verlängert sich ihre Außenseite, und damit wird der Draht innerhalb der Spiralfeder verschoben. Das Messgerät kann daraus den Grad der Winkelveränderung bestimmen und ein Warnsignal ausgeben, wenn die Winkelveränderung einen bestimmten vorgegebenen Wert über- oder unterschreitet. Durch Anbringen der Vorrichtung an einem Benutzer, kann das Abwinkeln bestimmter Körperteile gemessen und kontrolliert werden.In document US 4,940,063 is an apparatus for measuring Angular deviations revealed. The device comprises for this purpose a spiral spring in which a wire is located. The wire is firmly fixed on one side and on the other side connected to a meter. When the coil spring is angled becomes, their outside lengthens, and with that becomes the Wire moved inside the coil spring. The measuring device can determine from this the degree of the angle change and a Output warning signal when the angle change a certain specified value is exceeded or fallen below. By Attaching the device to a user may be angling certain body parts are measured and controlled.

Der vorliegenden Erfindung liegt daher die Aufgabe zugrunde, ein Verfahren sowie ein entsprechendes System vorzuschlagen, mit dessen Hilfe auf relativ einfache Art und Weise zuverlässig die Haltung des Benutzers während einer Trainingsübung an einem Trainingsgerät überwacht werden kann, um somit Schäden durch Überbeanspruchung von Gelenken, Sehnen, Bändern oder Muskeln vorzubeugen und den gewünschten Trainingseffekt erzielen zu können.The present invention is therefore based on the object to propose a procedure and a corresponding system, with its help in a relatively simple manner reliable the attitude of the user during a training exercise can be monitored on a training device, thus causing damage by overuse of joints, tendons, ligaments or Prevent muscles and the desired training effect to achieve.

Diese Aufgabe wird gemäß der vorliegenden Erfindung durch ein Verfahren mit den Merkmalen des Anspruches 1 bzw. ein System mit den Merkmalen des Anspruches 14 gelöst. Die Unteransprüche beschreiben jeweils bevorzugte und vorteilhafte Ausführungsformen der vorliegenden Erfindung, die ihrerseits zu einer möglichst genauen Überwachung der Haltung des Benutzers an dem Trainingsgerät beitragen.This object is achieved according to the present invention by a Method with the features of claim 1 or a system solved with the features of claim 14. The dependent claims each describe preferred and advantageous embodiments the present invention, which in turn to a As accurate as possible monitoring of the user's posture contribute to the training device.

Durch die erfindungsgemäße Lösung wird die zuvor beschriebene mechanische Bewegungsführung des Benutzers durch eine "virtuelle Bewegungsführung" ersetzt. Mit Hilfe von Sensoren wird die Bewegung des Benutzers während der Benutzung des Trainingsgeräts überwacht und ausgewertet, um somit eine fehlerhafte Haltung des Benutzers während der Benutzung des Trainingsgeräts feststellen zu können. Zu diesem Zweck können zusätzlich zu den am Körper des Benutzers vorgesehenen Sensoren weitere Sensoren an bestimmten Stellen des entsprechenden Trainingsgeräts angebracht werden, die jeweils kinematische Kennwerte, wie z.B. eine Position, eine Geschwindigkeit oder eine Beschleunigung, erfassen. Insbesondere können die Sensoren beispielsweise in Kleidungsstücken, Bänder oder Gurtsysteme integriert werden, so dass die Sensoren leicht am Körper des Benutzers angebracht werden können.The solution according to the invention, the previously described mechanical movement of the user through a "virtual Motion control "is replaced with the help of sensors the movement of the user while using the exerciser monitored and evaluated, thus a faulty Posture of the user while using the exerciser to be able to determine. For this purpose, in addition to the sensors provided on the user's body more sensors in certain places of the corresponding Training device to be attached, each kinematic Characteristic values, such as a position, a speed or an acceleration, capture. In particular, the sensors can For example, in garments, belts or belt systems be integrated so that the sensors easily on Body of the user can be attached.

Zur Auswertung der erfassten kinematischen Kennwerte ist eine Auswerteeinheit, wie z.B. ein tragbarer Rechner oder eine am Trainingsgerät angebrachte Zentraleinheit, vorgesehen, welche die von den Sensoren erfassten Messdaten verarbeitet und bei Erkennen einer fehlerhaften Bewegung bzw. fehlerhaften Haltung des Benutzers eine entsprechende Rückmeldung ausgibt. Diese Rückmeldung kann beispielsweise optisch oder akustisch erfolgen.To evaluate the recorded kinematic characteristics is a Evaluation unit, such as a portable computer or an am Training device attached central unit, provided, which processes and acquires the measurement data acquired by the sensors Recognizing a faulty movement or faulty posture the user issues a corresponding response. This feedback can be visual or audible, for example respectively.

Darüber hinaus ist auch möglich, dem Benutzer direkt eine Fehlhaltung durch Übertragung eines entsprechenden taktil-wahrnehmbaren Signals, z.B. in Form eines Druckimpulses oder einer Vibration, mitzuteilen. Ebenso ist denkbar, die Rückmeldung in Form eines mechanischen Eingriffs in das Trainingsgerät zu realisieren, so dass beispielsweise bei einer fehlerhaften Haltung des Benutzers das Trainingsgerät gebremst oder blockiert wird.In addition, it is also possible for the user directly one Malposition by transmission of a corresponding tactile-perceptible Signal, e.g. in the form of a pressure pulse or a vibration, to communicate. It is also conceivable, the feedback in the form of a mechanical intervention in the training device to realize, so that for example at a faulty posture of the user braked the training device or blocked.

Die Auswerteeinheit kann einen Speicher aufweisen, um das Training des Benutzers zu dokumentieren. Des weiteren ist möglich, dass das System zudem die Funktion einer Trainingssteuerung übernimmt, so dass dem Benutzer für das Training an dem entsprechenden Trainingsgerät eine bestimmte Übung bzw. eine bestimmte Anzahl von Übungen vorgegeben wird. The evaluation unit may have a memory to the Training the user to document. Furthermore, it is possible that the system also has the function of a training control takes over, allowing the user for the training the appropriate training device a certain exercise or a certain number of exercises is given.

Der Vorteil der vorliegenden Erfindung besteht darin, dass die zur Überwachung der Haltung des Benutzers an dem Trainingsgerät eingesetzten Sensorik klein, einfach zu tragen und billig ist. Aufwendige mechanische Konstruktionen entfallen. Dies bedeutet sowohl einen Kostenvorteil als auch eine für den Benutzer angenehmere Benutzung des Trainingsgeräts. Darüber hinaus können mit Hilfe der vorliegenden Erfindung auch Trainingseinheiten kontrolliert werden, die keine ausreichende mechanische Führung haben, wie dies beispielsweise bei Seilzuggeräten der Fall ist. Mit Hilfe der "virtuellen Bewegungsführung" können im Prinzip beliebige komplexe Trajektorien im Raum überwacht werden, wie z.B. kombinierte Dreh- und Längsbewegungen, bei denen normalerweise mechanische Konstruktionen schnell an ihre Grenzen stoßen würden. Insgesamt kann mit Hilfe der vorliegenden Erfindung die Vermeidung von schädlichen Bewegungen an Trainingsgeräten deutlich verbessert werden, so dass Folgeschäden vermindert werden und ein besserer Trainingseffekt erzielbar ist.The advantage of the present invention is that for monitoring the user's posture on the exerciser used sensors are small, easy to carry and cheap is. Elaborate mechanical structures are eliminated. This means both a cost advantage and a for the user more comfortable use of the training device. About that In addition, with the aid of the present invention also Training sessions are controlled, which does not provide sufficient have mechanical guidance, as for example at Cable pull devices is the case. With the help of the "virtual movement guidance" can in principle be any complex trajectories monitored in the room, e.g. combined turning and Longitudinal movements where normally mechanical constructions quickly reach their limits. All in all can avoid the use of the present invention significantly improves harmful movements on exercise equipment so that consequential damage is diminished and a better training effect can be achieved.

Die vorliegende Erfindung wird nachfolgend anhand eines bevorzugten Ausführungsbeispiels unter Bezugnahme auf die beigefügte Zeichnung näher erläutert, wobei in Figur 1 schematisch der Aufbau eines bevorzugten Ausführungsbeispiels des erfindungsgemäßen Systems dargestellt ist.The present invention will be described below with reference to a preferred Embodiment with reference to the attached Drawing explained in more detail, wherein in Figure 1 schematically the structure of a preferred embodiment of the inventive system is shown.

Figur 1 zeigt eine Person, die an einem Trainingsgerät 9 eine bestimmte Trainingsübung ausführt. Im vorliegenden Fall handelt es sich bei dem Trainingsgerät 9 um ein Rudergerät.FIG. 1 shows a person wearing a training device 9 performs certain training exercise. In the present case acts it is in the training device 9 to a rowing machine.

Am Körper der Person bzw. des Benutzers sind mehrere Sensoren 1 angebracht, die jeweils einen bestimmten kinematischen Kennwert während der Durchführung der entsprechenden Trainingsübung erfassen. Die Sensoren 1 können vorteilhaft beispielsweise in Kleidungsstücken, Bändern oder Gurtsystemen integriert werden. Bei dem in Figur 1 gezeigten Beispiel ist eines dieser Gurtsysteme 8 dargestellt, wobei am Rücken des Benutzers einer dieser Sensoren 1 in den Gurt 8 integriert ist. Derartige Gurtsysteme, die insbesondere ähnlich zu Bergsteigergurten ausgestaltet sein können, können von dem Benutzer leicht angelegt werden und behindern den Benutzer bei der Durchführung der Trainingsübung nicht bzw. nur geringfügig. Darüber hinaus ist auch denkbar, einige dieser Sensoren 1 an bestimmten Stellen des Trainingsgeräts 9 anzubringen, um Bewegungen während der Durchführung der Trainingsübung am Trainingsgerät 9 zu überwachen. So ist beispielsweise möglich, mit Hilfe eines entsprechenden Sensors die Bewegung des Rudersitzes 12 zu überwachen, usw..On the body of the person or the user are several sensors 1 attached, each with a specific kinematic Characteristic value during the execution of the corresponding training exercise to capture. The sensors 1 can be advantageous, for example in garments, tapes or belt systems to get integrated. In the example shown in Figure 1 is one of these belt systems 8 shown, wherein the back of the User of one of these sensors 1 integrated in the belt 8 is. Such belt systems, in particular similar to mountain harness can be designed by the user easy to put on and hinder the user the execution of the training exercise not or only slightly. In addition, it is also possible to use some of these sensors 1 at certain points of the training device 9 to order Movements during the execution of the training exercise on Training device 9 to monitor. For example, it is possible with the help of an appropriate sensor the movement of the Rowing seat 12 to monitor, etc ..

Als Sensoren 1 können allgemein Sensoren verwendet werden, die beliebige kinematische Kennwerte, wie z. B. Positions-, Geschwindigkeits- oder Beschleunigungswerte, erfassen können. Derartige Sensoren sind allgemein bekannt, so dass beispielsweise als Sensoren 3D-Ultraschallmarker mit Antenne, Beschleunigungssensoren, Winkelmesser, Flexionssensoren, Stretchsensoren oder dergleichen verwendet werden können.As sensors 1 sensors can generally be used the arbitrary kinematic characteristics, such. B. Positional, Speed or acceleration values, can capture. Such sensors are well known, so that, for example as sensors 3D ultrasonic markers with antenna, acceleration sensors, Protractors, flexion sensors, Stretchsensoren or the like can be used.

Zur Auswertung der von den Sensoren 1 aufgenommenen Messdaten ist eine Auswerteeinheit 2 vorgesehen. Vorteilhafterweise handelt es sich dabei um einen tragbaren Rechner oder um eine an dem Trainingsgerät 9 angebrachte Zentraleinheit, um den Platzbedarf für das erfindungsgemäße System zu minimieren.For evaluation of the measured data recorded by the sensors 1 an evaluation unit 2 is provided. advantageously, this is a portable computer or a attached to the training device 9 central unit to the To minimize space requirements for the system according to the invention.

Die Auswerteeinheit 2 empfängt die von den Sensoren 1 aufgenommenen Messdaten 14 der jeweils überwachten kinematischen Kennwerte, analysiert diese und gibt an den Benutzer eine Rückmeldung 15 über seine Haltung bzw. die von ihm durchgeführten Bewegungen aus, so dass der Benutzer seine Haltung während der Durchführung der Trainingsübung entsprechend korrigieren kann.The evaluation unit 2 receives the recorded by the sensors 1 Measurement data 14 of each monitored kinematic Characteristics, analyzes these and gives to the user Feedback 15 about his attitude or the performance of his Movements out, allowing the user his attitude Correct accordingly while performing the exercise can.

Zu diesem Zweck umfasst die Auswerteeinheit 2 zunächst eine Filtereinrichtung 4, die - falls erforderlich - eine Vorverarbeitung der von den Sensoren 1 erfassten Messdaten 14 durchführt, so dass diese Messdaten für die nachfolgende Auswertung vorbereitet werden. Durch diese Filterung können insbesondere Störeinflüsse, die während der Übertragung der Messdaten 14 von den Sensoren 1 zu der Auswerteeinheit 2 auftreten können, eliminiert werden. Eine der Filtereinrichtung 4 nachgeordnete Einrichtung 5 führt eine kinematische Transformation der empfangenen Messdaten der Sensoren 1 durch, so dass von der Einrichtung 5 Informationen ausgegeben werden, die tatsächlich Rückschlüsse auf die von dem Benutzer durchgeführten Bewegungen zulassen. Diese kinematische Transformation kann entfallen, wenn die Auswertung direkt durch Vergleich der von den Sensoren 1 aufgenommenen Messdaten mit einem Vergleichsmessdatenmuster erfolgt. Zu diesem Zweck enthält die Auswerteeinheit 2 voreingestellte Messdaten bzw. Messdatenmuster, die insbesondere eine fehlerfreie Haltung bzw. Bewegung des Benutzers beschreiben, so dass durch einen nachfolgenden Vergleich der von den Sensoren 1 aufgenommenen Messdaten mit diesem voreingestellten Messdatenmuster direkt eine Aussage über die Haltung des Benutzers getroffen werden kann. Darüber hinaus ist jedoch auch denkbar, dass die Auswertung, d. h. die Beurteilung der Haltung des Benutzers, auf der Ebene von Koordinaten bestimmter Raumpunkte erfolgt. In diesem Fall ist die kinematische Transformation durch die Einrichtung 5 erforderlich, um die von den Sensoren 1 aufgenommenen Messdaten in die tatsächlich auszuwertenden Koordinateninformationen umzuwandeln. So ist beispielsweise denkbar, durch die kinematische Transformation der Einrichtung 5 aus dem relativen Winkel bestimmter Sensoren 1 bzw. entsprechender Segmente eine Aussage über die maximale Krümmung der Wirbelsäule des Benutzers zu erzielen.For this purpose, the evaluation unit 2 comprises a first Filter device 4, which - if necessary - a preprocessing the measured data 14 acquired by the sensors 1 performs, so that these measurement data for the subsequent evaluation to get prepared. In particular, this filtering can Disturbing influences during the transfer of the Measurement data 14 from the sensors 1 to the evaluation unit 2 occur can be eliminated. One of the filter device 4 downstream device 5 performs a kinematic transformation the received measurement data of the sensors 1, so that information is output from device 5 the actual conclusions about the user Allow movements. This kinematic transformation can be omitted if the evaluation directly by comparison the measured data recorded by the sensors 1 with a Comparison measurement data pattern is done. Contains for this purpose the evaluation unit 2 preset measurement data or Measurement data pattern, in particular a faultless attitude or describe movement of the user, so by a subsequent comparison of the recorded by the sensors 1 Measurement data with this preset measurement data sample directly make a statement about the user's attitude can. In addition, however, it is also conceivable that the evaluation, d. H. the assessment of the user's attitude, on the level of coordinates of certain points in space takes place. In In this case, the kinematic transformation is through the Means 5 required to be picked up by the sensors 1 Measurement data in the actually evaluated coordinate information convert. For example, it is conceivable by the kinematic transformation of the device 5 from the relative angle of certain sensors 1 and the like Segments a statement about the maximum curvature to achieve the spine of the user.

Die Auswerteeinheit 2 enthält des weiteren als zentrales Element eine Einrichtung 6, die die ihr zugeführten Informationen auswertet und klassifiziert, um schließlich eine Aussage über die Haltung des Benutzers treffen zu können. Die Klassifizierung durch die Einrichtung 6 kann durch bekannte kinematische Methoden erfolgen. Insbesondere kann die Einrichtung 6 beispielsweise eine Mustererkennung oder eine modellbasierte Identifikation auf der Basis von neuronalen Netzen oder durch Anwendung der Fuzzy-Logik durchführen, um die augenblickliche Haltung des Benutzers während der Durchführung der Trainingsübung an dem Trainingsgerät 9 beurteilen zu können.The evaluation unit 2 further contains as a central element a device 6 containing the information supplied to it evaluated and classified to finally make a statement to be able to meet about the attitude of the user. The Classification by the device 6 can by known kinematic methods take place. In particular, the device may For example, a pattern recognition or a model-based Identification based on neural networks or by applying the fuzzy logic to the instantaneous attitude of the user during execution judge the training exercise on the training device 9 to be able to.

Die Auswerteeinheit 2 bzw. deren Klassifizierungseinrichtung 6 ist derart ausgestaltet, dass nach Erkennen einer fehlerhaften Bewegung bzw. fehlerhaften Haltung des Benutzers sofort eine entsprechende wirksame Rückmeldung 15 an den Benutzer bzw. an das Trainingsgerät 9 ausgegeben werden. Zu diesem Zweck umfasst das in Figur 1 dargestellte System eine optische Anzeige 3, die visuell Informationen über die augenblickliche Haltung des Benutzers anzeigt und gegebenenfalls den Benutzer zur Korrektur seiner Haltung auffordert. Ebenso ist eine akustische Ausgabe der Rückmeldung 15 über einen (nicht gezeigten) Lautsprecher möglich. Besonders vorteilhaft ist die Ausgestaltung des in Figur 1 gezeigten Systems derart, dass eine taktile Rückmeldung 15 erfolgt. Zu diesem Zweck können Druck- oder Vibrationselemente am Trainingsgeräte 9 bzw. am Benutzer angebracht sein, die bei Feststellen einer fehlerhaften Haltung durch die Auswerteeinheit 2 entsprechend aktiviert werden, um durch einen Druckimpuls bzw. eine entsprechende Vibration den Benutzer zur Korrektur seiner Haltung aufzufordern. Derartige Druckelemente können beispielsweise analog zu den Sensoren 1 in einem Gurtsystem 8 angeordnet sein. In Figur 1 ist beispielhaft ein Druckelement 13 dargestellt, welches bei Aktivierung durch die Klassifizierungseinrichtung 6 einen Druckimpuls auf den Rücken bzw. die Wirbelsäule des Benutzers ausübt und somit den Benutzer auffordert, eine geradere Haltung anzunehmen. Ebenso ist denkbar, die Rückmeldung 15 der Klassifizierungseinrichtung 6 bzw. der Auswerteeinheit 2 in Form eines mechanischen Eingriffs in das Trainingsgerät 9 vorzusehen, so dass bei Feststellen einer fehlerhaften Bewegung oder einer fehlerhaften Haltung des Benutzers mechanisch in das Trainingsgerät 9 eingegriffen werden kann, um beispielsweise das Trainingsgerät 9 zu bremsen oder zu blockieren. Diesbezüglich ist in Figur 1 eine gestrichelte Verbindung zwischen der Klassifizierungseinrichtung 6 und einer hydraulischen Dämpfungseinrichtung 11 des Rudergeräts 9 dargestellt, so dass abhängig von dem Auswerteergebnis der Klassifizierungseinrichtung 6 der Widerstand dieser Dämpfungseinrichtung 11 durch eine entsprechende mechanische Konstruktion entsprechend verändert werden kann.The evaluation unit 2 or its classification device 6 is configured such that after detecting a faulty Movement or faulty posture of the user immediately a corresponding effective feedback 15 to the user or to the training device 9 are output. To this Purpose, the system shown in Figure 1 comprises an optical Display 3, which provides visual information about the current one Attitude of the user indicates and if necessary prompts the user to correct his posture. As well is an acoustic output of the feedback 15 via a (not shown) speakers possible. Especially advantageous is the embodiment of the system shown in Figure 1 such, that a tactile feedback 15 takes place. To this Purpose can be pressure or vibration elements on training equipment 9 or be attached to the user, the case of detection a faulty attitude by the evaluation unit 2 accordingly be activated to by a pressure pulse or a corresponding vibration the user to correct his To ask attitude. Such printing elements can, for example analogous to the sensors 1 in a belt system 8 be arranged. In Figure 1 is an example of a printing element 13, which, when activated by the classifier 6 a pressure pulse on the back or the user's spine and thus the user asks to adopt a straighter posture. Likewise is conceivable, the feedback 15 of the classification device 6 or the evaluation unit 2 in the form of a mechanical intervention provided in the training device 9, so that when detected a faulty movement or a faulty one Posture of the user mechanically intervened in the training device 9 can be, for example, the training device. 9 to brake or block. In this regard, in FIG a dashed connection between the classifier 6 and a hydraulic damping device 11 of the rowing machine 9, so that depending on the evaluation result the classifier 6, the resistor this damping device 11 by a corresponding mechanical construction can be changed accordingly.

Die in Figur 1 gezeigte Auswerteeinheit 2 umfasst zudem einen Speicher 7, der zur Dokumentation des Trainingsablaufs am Trainingsgerät 9 vorgesehen ist. Das heißt im Speicher 7 werden die von der Klassifizierungseinrichtung 6 ausgegebenen Informationen über die Haltung sowie die Bewegungen des Benutzers gespeichert. Des weiteren werden in dem Speicher 7 weitere Trainingsinformationen, wie z. B. die Anzahl der Trainingsübungen, die Dauer des Trainings, die Anzahl der von der Klassifizierungseinrichtung 6 ermittelten Fehler usw., gespeichert. Die in dem Speicher 7 gespeicherten Informationen sind insbesondere für eine Therapiekontrolle im Laufe einer Rehabilitation des jeweiligen Benutzers sinnvoll und werden daher vorteilhafterweise an den jeweiligen Therapeuten übermittelt. Zudem können die in dem Speicher 7 gespeicherten Informationen zur Qualitätssicherung ausgewertet werden.The evaluation unit 2 shown in Figure 1 also includes a Memory 7, which is used to document the training process on the Training device 9 is provided. That is to say in memory 7 that output from the classifier 6 Information about the posture as well as the movements of the user saved. Furthermore, in the memory 7 further training information, such. B. the number of Training exercises, the duration of training, the number of the classification device 6 detected errors, etc., saved. The information stored in the memory 7 are in particular for a therapy control in the course a rehabilitation of the respective user makes sense and are therefore advantageously to the respective therapist transmitted. In addition, the stored in the memory 7 Quality assurance information will be evaluated.

Schließlich ist das in Figur 1 gezeigte System auch mit der Funktion einer Trainingssteuerung ausgestattet. Zu diesem Zweck umfasst die Auswerteeinheit 2 eine Steuereinrichtung 10, die dem jeweiligen Benutzer bestimmte Trainingsvorgaben, wie z. B. die durchzuführende Anzahl von Trainingsübungen, die augenblickliche Anzahl von Trainingsübungen, Geschwindigkeitsinformationen, Leistungsinformationen, Trainingszeitinformationen usw., über die Anzeige 3 mitteilt.Finally, the system shown in Figure 1 is also with the Function of a training control equipped. To this Purpose, the evaluation unit 2 comprises a control device 10, which give the respective user specific training requirements, such as B. the number of training exercises to be performed, the current number of training exercises, speed information, Performance information, training time information etc., via the display 3 tells.

Die Signalübertragung 14 zwischen den Sensoren 1 und der Auswerteeinheit 2 sowie die Übertragung der Rückmeldung 15 von der Auswerteeinheit 2 an den Benutzer erfolgt vorteilhafterweise drahtlos, wobei insbesondere eine telemetrische Übertragung sämtlicher Datenflüsse zwischen den Sensoren 1 und der Auswerteeinheit 2 bzw. der Auswerteeinheit 2 und der jeweiligen Rückmeldeeinrichtung (in Figur 1 der Anzeige 3, dem Druckelement 13 oder der Dämpfungseinrichtung 11 des Trainingsgeräts 9) sowie zwischen der Auswerteeinheit 2 bzw. der Klassifizierungseinrichtung 6 und dem Speicher 7 möglich ist.The signal transmission 14 between the sensors 1 and the evaluation unit 2 and the transmission of the response 15 of the evaluation unit 2 to the user is advantageously carried out wireless, in particular a telemetric transmission all data flows between the sensors 1 and the evaluation unit 2 and the evaluation unit 2 and the respective Feedback device (in Figure 1 of the display 3, the Pressure element 13 or the damping device 11 of the training device 9) and between the evaluation unit 2 and the Classification device 6 and the memory 7 is possible.

Anhand der obigen Beschreibung ist ersichtlich, dass die vorliegende Erfindung eine einfach und billig zu realisierende Möglichkeit bereitstellt, um die Haltung des Benutzers bzw. die von ihm ausgeführten Bewegungen während der Benutzung eines Trainingsgeräts 9 wirkungsvoll überwachen zu können. Die Haltung des Benutzers kann somit auch während komplizierter Trainingsübungen oder Bewegungsabläufen zuverlässig beurteilt werden. Die Vermeidung von schädlichen Bewegungen und Folgeschäden kann deutlich verbessert werden und ein besserer Trainingseffekt ist möglich.From the above description, it can be seen that the present invention Invention a simple and cheap to implement Possibility provides to the attitude of the user or the movements performed by him during the use of a Training device 9 to monitor effectively. The Attitude of the user can thus also be more complicated during Training exercises or movements reliably assessed become. Avoidance of harmful movements and consequential damages can be significantly improved and a better one Training effect is possible.

Claims (26)

  1. A method for monitoring the posture of a user at a training apparatus, comprising the steps of:
    a) providing at least one sensor (1) attached to a user such that this acquires a kinematic parameter during the use of a training apparatus (9) by the user, and
    b) evaluating the kinematic parameter detected by the sensor (1), in order to determine an improper posture of the user during use of said training apparatus (9),
    characterised in that
    in step (a) measurement data acquired of the at least one sensor (1) is transmitted wirelessly to an evaluating unit (2) in order to implement step b).
  2. Method according to claim 1
    characterised in that
    in step a) a plurality of sensors (1) are attached to the user.
  3. Method according to claim 1 or 2
    characterised in that
    at least one sensor (1) is attached to the belt system (8) to be worn by the user.
  4. Method according to one of the preceding claims,
    characterised in that
    in step a) a plurality of sensors are attached to the training apparatus (9).
  5. Method according to one of the preceding claims,
    characterised in that
    with the aid of at least one sensor (1) as a kinematic parameter, a position, a speed or an acceleration is acquired during the use of the training apparatus (9) by the user.
  6. Method according to one of the preceding claims,
    characterised in that
    in the step b) the measurement data acquired by the at least one sensor (1) is compared with comparative data in order to determine an improper posture of the user during the use of the training apparatus (9).
  7. Method according to one of the preceding claims,
    characterised in that
    in step b) corresponding coordinates of specific points in space are derived from the measurement data acquired by the at least one sensor (1) and are compared with comparative data in order to determine an improper posture of the user during the use of the training apparatus (9).
  8. Method according to one of the preceding claims,
    characterised in that
    the user is provided with an acknowledgment of the result of the evaluation carried out in step b).
  9. Method according to claim 8
    characterised in that
    the user is provided with an acknowledgment in the form of wirelessly transmitted information signals.
  10. Method according to claims 8 or 9
    characterised in that
    user is provided with an optical or acoustic acknowledgment.
  11. Method according to one of claims 8 to 10
    characterised in that
    the user is provided with an acknowledgment in the form of a mechanical intervention in the training apparatus (9).
  12. Method according to one of claims 8 to 11
    characterised in that
    the user is provided with an acknowledgment in the form of signals transmitted to the user, which are discernible by touch.
  13. Method according to one of the preceding claims,
    characterised in that
    the result of the evaluation carried in step b) is stored.
  14. System for monitoring the posture of a user at a training apparatus
    with at least one sensor (1) provided for attachment to a user in order to acquire at least one kinematic parameter during the use of the training apparatus (9) by the user and
    with evaluation unit (2) for evaluating the at least one kinematic parameter acquired by said sensor (1) to determine if an improper posture of the user during the use of the training apparatus (9),
    characterised in that
    the system comprises transmission means (14) for transmitting measurement data of the least one kinematic parameter from the sensor (1) to the evaluating unit (2), with which the transmission means (14) are designed such that they allow a wireless transmission.
  15. System according to claim 14
    characterised in that
    the at least one sensor (1) is integrated in a belt system (8) which is worn by the user.
  16. System according to one of claims 14 or 15
    characterised in that
    at least one additional sensor (1) is attached to the training apparatus (9).
  17. System according to one of claims 14 to 16
    characterised in that
    the sensors (1) acquire different kinematic parameters during the use of the training apparatus (9) by the user.
  18. System according to one of claims 14 to 17
    characterised in that
    the sensors (1) are designed such that they can acquire a position, a speed and/or an acceleration as a kinematic parameter during the use of the training apparatus (9) by the user.
  19. System according to one of claims 14 to 17
    characterised in that
    the evaluating unit (2) are designed such that they carry out a comparison of measurement data of the acquired at least one kinematic parameter with comparative data and determine an improper posture of the user during the use of the training apparatus (9), as a function of the comparison result.
  20. System according to one of the preceding claims,
    characterised in that
    the evaluating unit (2) comprises a memory (7) for storing measurement data of the acquired at least one kinematic parameter and/or of the training data acquired during the use of the training apparatus (9) by the user.
  21. System according to one of the preceding claims,
    characterized in that
    the system comprises acknowledgment means (3,11,13) in order to inform the user of an improper posture during the use of the training apparatus (9) as a function of the result of the evaluation carried out by the evaluating unit (2).
  22. System according to claim 21,
    characterised in that
    the acknowledgment means comprise an optical display (3) and/or an acoustic loudspeaker output.
  23. System according to claim 21 or 22
    characterised in that
    the acknowledgment means (13) are configured such that they provide the user with an acknowledgment in the form of signals transmitted to the user, which are discernible by touch.
  24. System according to one of claims 21 to 23, characterized in that
    the acknowledgment means (11) are designed such that they mechanically intervene in the training apparatus (9) as a function of the result of the evaluation carried out by the evaluating unit (2) in order to inform the user of an improper posture during the use of the training apparatus (9).
  25. System according to one of claims 21 to 24, characterized in that
    the system comprises transmission means (15) for transmitting evaluation data from the evaluating unit (2) to the acknowledgment means (3, 11, 13), with which the transmission means (15) are designed such that they allow a wireless data transmission.
  26. System according to one of claims 14 to 25
    characterised in that
    the evaluation unit (2) comprise a training control device (3, 10), in order to control the use of the training apparatus (9) by the user according to specific training specification data.
EP99119383A 1998-10-12 1999-09-29 Process and system for monitoring the posture of the user of a training device Expired - Lifetime EP0993845B1 (en)

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DE19846982A DE19846982C2 (en) 1998-10-12 1998-10-12 Method and system for monitoring a user's posture on exercise equipment
DE19846982 1998-10-12

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EP0993845A2 EP0993845A2 (en) 2000-04-19
EP0993845A3 EP0993845A3 (en) 2002-08-21
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