Forefoot Pressures During Walking in Feet Afflicted With Hallux Valgus

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Abstract
Forefoot pressures during walking in feet with hallux valgus were recorded using pressure-sensitive film, and the relationships between deformities and foot pressures were analyzed. There were 32 female subjects comprising 50 feet with hallux valgus, of which 20 feet underwent surgery. As in normal feet, the pressure patterns of feet with hallux valgus were varied: peak pressures were under the first metatarsal head, under the second and/or third metatarsal heads, and the first, second, and/or third metatarsal heads. Peak pressures of hallux valgus feet were larger in each type than those of the normal foot. In feet with hallux valgus showing peak pressures under the first metatarsal heads, the hallux valgus angle and the intermetatarsal angle were larger than those in feet showing peak pressures on the second and/or third metatarsal heads. After surgery, peak pressures were under the second and/or third metatarsal heads and they decreased.