Fig. 10.

Painful FFF. a, c Anteroposterior (AP) and lateral preoperative sketches of actual radiographs. The talo-first metatarsal angle is markedly abducted on the AP view. The lateral view shows severe talo-navicular sag and a 0° calcaneal pitch. b, d AP and lateral sketches of actual radiographs following a calcaneal lengthening osteotomy and tendo-Achilles lengthening. All components of the deformity are corrected, subtalar motion is preserved, and symptoms are relieved (Fig. 2A–D, p. 502–503, from ref. [110], with permission)