spastic flat foot

spas·tic flat foot

eversion of the foot with spasm of the muscles (peroneal) on the outer side; often associated with abnormal bars of bone cartilage or fibrous tissue between the calcaneum and the navicular (scaphoid) or between the navicular and the talus, resulting in a tarsal coalition.
References in periodicals archive ?
The inherence of tarsal coalition in its relationship to spastic flat foot.
The inheritance of tarsal coalition and its relationship to spastic flat foot.
Retrospect--peroneal spastic flat foot (rigid valgus foot).