Chevron-Akin double osteotomy. A, Resection of medial eminence parallel to medial border of foot. B, Chevron osteotomy cut is made, and metatarsal head is shifted laterally 2.5 to 3.0 mm. C, Osteotomy is fixed with 0.045-inch smooth pin, and protruding medial border of metatarsal is osteotomized flush with metatarsal head. D, Akin cut parallels concavity at base of proximal phalanx, and 1-mm wedge of bone is removed. E, Suture closure of Akin osteotomy corrects residual valgus of hallux. (From Mitchell LA, Baxter DE: A chevron-Akin double osteotomy for correction of hallux valgus, Foot Ankle 12:7, 1991.) SEE TECHNIQUE 82.7.