Artificial limbs; Belts for medical purposes; Body rehabilitation apparatus for medical purposes; Crutches; Orthopedic knee bandages;Tips for crutches for invalids; Orthopedic belts; Physical exercise apparatus, for medical purposes; Physiotherapy apparatus, namely, a force and motion sensing apparatus and assisted exercise machines for the rehabilitation of lower limbs' locomotion function affected by neuromuscular diseases, disorders, or injuries for household and clinical use