1 — Calcaneal tuberosity; 2 — Lateral process; 3 — Medial process; 4 — Groove for tendon of flexor hallucis longus; 5 — Articular surface for cuboid; 6 — Tarsal sinus; 7 — Anterior facet for calcaneus; 8 — Navicular articular surface; 9 — Middle facet for calcaneus; 10 — Sulcus tali; 11 — Posterior calcaneal articular facet; 12 — Medial tubercle; 13 — Lateral tubercle
