Fig. 1

Cross-sectional anatomy at the horizontal plane across the most prominent bony points of medial and lateral malleoli. TA, Tibialis Anterior tendon. GSV, great saphenous vein. MM, the most prominent bony point of the medial malleolus. LM, the Most prominent bony point of the lateral malleolus. AT, Achilles tendon. Scale bar = 2 cm