Assessment of gait symmetry for Talus Valgus children based on experimental kinematic analysis

The general purpose of this study was to assess the gait symmetry for Talus Valgus deformity based on experimental kinematic analysis. As this foot condition generally occurs in children, the study is focused on two children having five years old, one being healthy, as control subject, and the second one having bilateral Talus Valgus deformity. Kinematic experimental analysis was conducted using Zebris CMS-HS Measuring System. The bilateral symmetry was analyzed using two methods: index of symmetry (SI) calculated for spatio-temporal parameters (stance phase, swing phase, and step length) and kinematic parameter (maximum value of dorsiflexion - plantar flexion angle in the ankle joint), and an unpaired t-test to compare the variation of means values of dorsiflexion - plantar flexion angle in ankle joint for both left and right side. The study evidenced a good bilateral symmetry in case of the control subject and quantified the asymmetry in case of subject with Talus Valgus deformity.