1 — Flexor retinaculum; 2 — Calcaneal tendon; 3 — Tendinous sheath of tibialis posterior; 4 — Flexor hallucis longus; 5 — Flexor digitorum longus; 6 — Popliteus; 7 — Semimembranosus bursa; 8 — Medial subtendinous bursa of gastrocnemius; 9 — Gastrocnemius, medial head; 10 — Plantaris; 11 — Lateral subtendinous bursa of gastrocnemius; 12 — Gastrocnemius, lateral head; 13 — Superior bursa of biceps femoris; 14 — Head of fibula; 15 — Soleus; 16 — Tibialis posterior; 17 — Fibularis longus; Peroneus longus; 18 — Fibularis brevis; Peroneus brevis; 19 — Superior fibular retinaculum; Superior peroneal retinaculum
