Orthopedic apparatus, in particular orthopedic exercise and rehabilitation apparatus, namely, orthopedic devices to stabilize and exercise the back and other parts of the human body; force and motion analyzing apparatus for physical rehabilitation; orthopedic measuring apparatus, namely, foot-pressure measuring apparatus, apparatus for measuring veins, namely, devices for measuring the flux and reflux of veins, blood or lymph liquid and measurement of muscle pump activities on upper legs; app...