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Fig. 2 | BMC Musculoskeletal Disorders

Fig. 2

From: Association between subtalar articular surface typing and flat foot deformity: which type is more likely to cause flat foot deformity

Fig. 2

The measurement of total joint facet area. a AB: the long-axis of the anterior facet of calcaneus, CD: the short-axis of the anterior facet of calcaneus; b EF: the long-axis of the middle facet of calcaneus, GH: the short-axis of the middle facet of calcaneus; c IJ: the long-axis of the posterior facet of calcaneus, KL: the short-axis of the posterior facet of calcaneus. Total joint facet area = AB*CD + EF*GH + IJ*KL

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