Anklebone dorsiflexion appliance

The utility model discloses an anklebone dorsal flexure rectifier which is a functional rectifying recovery instrument used for rectifying foot drop and foot eversion which are caused by lying in bed for a long time since an early age. The rectifier is characterized in that the lower end of a calf fixing frame 1 is articulated at the tail end of a pedaling plate 14 by a pin roll 8, a tip of the pin roll 8 is provided with a flat cushion 9 and a cotter pin 10, velcros 6 and 15 are respectively arranged at lateral sides of the calf fixing frame 1 and the pedaling plate 14 by bolts, the calf fixing frame 1 is fixed with an adjuster 2 which is provided with a hinge rod 5, a support sleeve 30 and a pull rod 7 are arranged on the hinge rod 5, a flat cushion 28 and a cotter pin 29 penetrate in the pin holes at the shaft ends of the hinge rod 5, the other end of the pull rod 7 is fixedly connected to the pedaling plate 14 by a hinge shaft 11, tips of the hinge shaft 11 are provided with a flat cushion and a cotter pin 13, and a handle 4 is arranged on a moving block 23 of the adjuster 2. The rectifying angle of the rectifier can be adjusted, the stress suffered by the rectifier is uniform, and the rectifier can adjust the anklebone dorsal flexure in time in use so that a sufferer can recover the anklebone functional position as soon as possible.