Research Article

Classification and Morphological Parameters of the Calcaneal Talar Facet: Which Type Is More Likely to Cause Osteoarthritis in Chinese Population?

Figure 2

Three-dimensional CT reconstruction of calcaneal talar facet. Type I: anterior and middle facets were fused into a pear-shaped big facet. Type II: three separate anterior, middle, and posterior facets. Type III: missing anterior facet. Type IV: anterior and middle calcaneus facets were fused into a calabash-shaped big facet. Type V: absence of the anterior facet, and the middle and posterior ones were fused.