Sanders, A.P.

hallux hallux valgus valgu patient group arthrodesi metatarsal osteotomy angle force effect j bone metatarsal head chapter study forefoot range group iii bunion parameter pressure subject preoperative group i result ankle surgery deviation follow-up flexion medial relationship tarso-metatarsal orthop measurement postoperative value flexion force correlation model radiograph bunion pain group ii joint complaint position hallux angle plantar pressure metatarsus primus varus treatment hallux valgus patients analysis plantar mtp joints metatarsal heads hohmann osteotomy degree x-rays method biomechanical model deformity biomechanical hohmann operation saunders company table change activity flexion forces biomechanic toe pressure valgus deviation eerste snijder footprint flexor sesamoid comparison rigidu number