Assessing deep muscle function on basis of superficial muscle activity

摘要

To assess the function of deep joint stabilizing muscles, superficial muscles are monitored using an EMG (3) during performance of an activity known to require recruitment, primarily, of deep stabilizing muscles when performed correctly. If the deep muscle functions adequately, there is little activity of the superficial muscles. Conversely, if the deep muscle function is inadequate, the superficial muscle activity is increased. Monitoring of the superficial muscles may be combined with monitoring of the deep joint stabilizing muscle using ultrasound imaging (12) and/or pressure biofeedback. A suitable apparatus includes an EMG unit (3) ultrasound unit, and a pressure biofeedback unit (16) in combination with a computer (5) to give an indication of function.