Abstract Summary
Abnormal foot valgus is typical symptom of foot deformity. An accurate assessment of valgus degree is critical for the diagnosis and therapy design. However, the influence of walking stride frequency on foot valgus remains unclear. This study aims to characterize the valgus degree with the dynamic valgus index, “centre of pressure (COP) curve – foot midline” index (CFMI), and to quantify the influence of walking stride frequency on valgus. CFMIs of 46 feet in 23 healthy subjects were obtained with pressure measuring insoles. The valgus of male was greater than that of female. With the stride frequency increasing, valgus of male decreased, while valgus of female increased. The findings could help to improve the accuracy in the foot deformity diagnosis, and provide clues for understanding biomechanical pathology.
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