Abstract
Changes in Dynamic Plantar Pressure for Children with Tarsal Coalition as Compared to Normal Children
Highlights
Tarsal coalition (TC) is a congenital foot abnormality representing an abnormal connection between two or more tarsal bones
Increased contact area at the midfoot and increased peak pressures at the midfoot, 1st metatarsal and hallux were significant in children with tarsal coalition (P < 0.05)
There were significant differences for contact area of the medial hindfoot, lateral hindfoot, midfoot, fifth metatarsal and first metatarsal when compared to normative data (P < 0.0001)
Summary
Tarsal coalition (TC) is a congenital foot abnormality representing an abnormal connection between two or more tarsal bones. The incidence of tarsal coalition occurs in less than 1% of the general population [1]. Up to 75% of tarsal coalitions may be asymptomatic in patients [3]. Calcaneonavicular (43.6%) and talocalcaneal joint (48.1%), are the most common [4]. Coalitions usually become symptomatic around the ages of 12 to 16 years, which correlates with the time that the coalition begins to ossify. Patients with talocalcaneal typically present in early adolescents (12-16 yr), whereas calcaneonavicular presents from 8 to 12-years-old [1]. Talonavicular and other foot coalitions are rare and usually asymptomatic [5]
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