The utility model relates to the field of X-
ray shooting auxiliary equipment, in particular to a posterior foot force line position X-
ray shooting auxiliary device which comprises an outer frame
assembly, a shank fixing
assembly is installed below the front end of the outer frame
assembly, and the shank fixing assembly comprises a side plate, a second spring, a guide rod and a clamping plate. A second spring is connected to the middle of the side, close to the central axis of the outer frame assembly, of the side plate, guide rods are connected to the front side and the rear side of the side, close to the central axis of the outer frame assembly, of the side plate in a penetrating mode, and a clamping plate is connected to the side, away from the side plate, of the second spring. The device is provided with the leg clamping and fixing structure, can assist a patient in standing, ensures that the
long axis of the shank of the patient is kept perpendicular to the horizontal plane, facilitates photographing work and accurate measurement of the force line of the rear foot, and is provided with the leg lifting structure, a non-detection leg is lifted up during photographing, the
body weight of the patient is placed on the non-detection leg, and the detection accuracy is improved. And accurate measurement of the rear foot force line is also realized.