Physiotherapy apparatus; apparatus for physical training for medical use; apparatus for medical rehabilitation and injury prevention; body rehabilitation apparatus for medical purposes; physiotherapy and rehabilitation apparatus for medical purposes; electromyography (EMG), inertial measurement unit (IMU) and magnetic, angular rate, and gravity (marg) signal monitors, recorders, sensors and interpreters for measurement and visualisation of human movement; electromyography (EMG), inertial meas...