Illustration of gastrocnemius m. and achilles tendon, fibularis longus m. & tendon, fibularis brevis m. and tendon, fibularis tertius m. & tendon, extensor digitorum brevis m., extensor digitorum longus m. & tendons, tibialis anterior m. & tendon, fibula (lateral malleolus, calcaneus, abductor digiti minimi m., superior extensor retinaculum, inferior extensor retinaculum, superior and inferior peroneal retinacula, lat. tarsal artery. Indicated by dashed lines, ant. to post.:[?] medial dorsal cutaneous n., intermediate dorsal cutaneous n. & sural n., dorsal digital arteries & nerves.