1 — Common tendinous sheath of fibulares; Common tendinous sheath of peronei; 2 — Subcutaneous calcaneal bursa; 3 — Bursa of tendo calcaneus; Bursa of calcaneal tendon; Retrocalcaneal bursa; 4 — Tendinous sheath of flexor hallucis longus; 5 — Superior fibular retinaculum; Superior peroneal retinaculum; 6 — Subcutaneous bursa of lateral malleolus; 7 — Tendinous sheath of tibialis anterior; 8 — Tendinous sheath of extensor digitorum longus; 9 — Tendinous sheath of extensor hallucis longus; 10 — Inferior extensor retinaculum; 11 — Inferior fibular
retinaculum; Inferior peroneal retinaculum
