Fig. 17-4. The structures on (A) the medial, (B) the lateral, and (C) the anterior portions of the ankle. The various retinacula are shown, but the synovial sheaths (see fig. 17-1) are not indicated. The posterior tibial artery is situated (in A) between the medial malleolus and the calcaneal tendon. The dorsal artery of the foot is found (in C) between the digitorum and hallucis tendons. The pulsations of these arteries are sought in clinical examinations of the lower limb. Click for high resolution image.