Low-limb functional position fixing machine

A low-limb functional position fixing machine is mainly composed of a bed tail fixing frame, a telescopic height adjustment frame and a sole functional position air cushion pedal. The bed tail fixingframe is composed of at least one C-shaped hook arm which can be hooked on the tail portion of a sickbed; the telescopic height adjustment frame is connected with the straight rods of the C-shaped hook arms through a telescopic rod and height adjustment sliding lantern rings on the front end portion, and the middle of the telescopic rod is at least connected with support rods, and one end of eachsupport rod is connected with the straight rod of the corresponding C-shaped hook arm through a lantern ring in a sliding mode; the back end portion of the telescopic rod is connected with the sole functional position air cushion pedal mainly composed of a sole pedal; the bed tail fixing frame is formed through connection of the left C-shaped hook arm and the right C-shaped hook arm through at least one connection cross ro