Measurement of the line connecting the long axis of the foot to both ankles

The patient is in a standing position to observe whether the midline of the lower leg is consistent with the longitudinal axis of the heel. The measurement of the line connecting the long axis of the foot and the two ankles is used to observe whether the midline of the lower leg is consistent with the longitudinal axis of the heel. The test result is positive, that is, from the plantar surface examination, the long axis of the foot intersects the line of the two ankles, and the two lines intersect at right angles, which is the forefoot abduction deformity. People to be checked: People with deformed feet.