A method for indirectly assessing the gesture, posture or movement of a body part of a person includes transmitting an ultrasound signal into the soft tissue, particularly the muscle, of body part and manipulating the reflected ultrasound signal to obtain parameter data. The parameter data is compared...http://www.google.ca/patents/US6984208?utm_source=gb-gplus-sharePatent US6984208 - Method and apparatus for sensing body gesture, posture and movement
