Fig. 3.
On the AP foot weightbearing radiographs, the AP talus-first metatarsal angle is the angle between a line bisecting the anterior articular surface of the talus and a line bisecting the long axis of the first metatarsal bone.
On the AP foot weightbearing radiographs, the AP talus-first metatarsal angle is the angle between a line bisecting the anterior articular surface of the talus and a line bisecting the long axis of the first metatarsal bone.