Fig. 1. (A) The gastrocnemius tertius (GT) variant. On the left lower limb, the GT had a thin tendinous insertion (asterisks) into the calcaneus (Achilles) tendon (AT). (B) The GT variant. On the right lower limb, the GT fused with the lateral head (LH). MH, medial head; CFN, common fibular nerve; TN, tibial nerve.
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