Variations in calcanean facets in Indian Tali.

Abstract

The various patterns in calcanean articular facets of 500 Indian tali have been observed and classified accordingly. Type I tali have one flat facet on plantar surface of its head (16%); Type II tali, the calcanean facet were divided into 2 parts by a indistinct or prominent ridge (78%); Type III tali, the calcanean articular facet was partly separated by nonarticular groove and partly by ridge (1%); Type IV tali have 2 articular facets on the plantar surface of head separated by nonarticular groove (3%); and Type V tali have a single facet on the plantar surface of head and this facet was continuous with the posterior calcanean facet (2%).