Change of Radiologic Indicators during Putting Foot Orthosis on Flatfoot in Children with Cerebral Palsy

ABSTRACT

OBJECTIVE: To identify change of the radiologic indicators known to reflect height of medial longitudinal arch between with and without foot orthosis on flatfoot in children with cerebral palsy. METHOD: 15 children with cerebral palsy, which were diagnosed as pes planus by bio-mechanical examination and foot print test, were participated in this study. Initial radiologic study (foot anteroposterior and lateral view with standing position) had been done with shoe only and then second radiologic study with shoe and foot orthosis as same method. 3 months after, third radiologic study were performed with shoe only. Radiologic indicators were measured at each radiologic studies. Radiologic indicators measured at intial study were compared with both second and third study. RESULTS: In comparing initial radiologic study with second, consistently changed radiologic indicators toward corrective direction were calcaneometatarsal angle, navicular height, arch height ratio, arch height angle, talometatarsal angle in anteroposterior view. The other five indicators were variable in increase or decrease of change. There were no interval changes of radiologic indicators comparing at initial study with third study. CONCLUSION: Calcaneometatarsal angle, arch height ratio, arch height angle, and talometatarsal angle were consistently changed, simply measurable radiologic indicators for evaluation of pes planus in children with cerebral palsy.