To compare flexion/extension, abduction, and external rotation of the feet of normal patients with that of patients with a diagnosis of hallux valgus A multi-segment foot model was used with three-dimensional gait analyses to document differences in joint motion between a group of 10 healthy adults and a group of 12 adults with a diagnosis of Grade 2 hallux valgus. The healthy adults were younger and heavier, with a mean age of 23.4 +-1.7 years and a mean weight of 78.2 +- 9.2 kg, than the patients with hallux valgus, a mean age of 52.5 +- 0.7 years and a mean weight of 61.6 +- 1.1 kg. Nineteen reflective markers were attached to each subject: at the third and fifth toes; the first, third, and fifth metatarsal heads; the first, third, and fifth metatarsal bases; the medial, lateral, and posterior calcaneus; the medial and lateral malleolus; the medial and lateral condyle; and at the anterior aspect of the tibia.
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