One-stage metatarsal interposition lengthening with an autologous fibular graft and locking plate fixation. A, Incision of fourth metatarsal. B, Arthrolysis of fourth metatarsophalangeal joint and Z-shaped extensor tendon lengthening. C, Transverse osteotomy of the metatarsal. D and E, Harvest of the fibular graft. F, Graft interposition and locking plate application. G, Wound suture and positioning of the fourth toe. (From Waizy H, Polzer H, Schikora N, et al: One-stage metatarsal interposition lengthening with an autologous fibula graft for treatment of brachymetatarsia, Foot Ankle Spec 12(4):330, 2018.) SEE TECHNIQUE 84.31.