1 — Calcaneus; 2 — Sustentaculum tali; Talar shelf; 3 — Lateral tubercle; 4 — Groove for tendon of flexor hallucis longus; 5 — Medial tubercle; 6 = 3 + 4 + 5 — Posterior process; 7 — Medial malleolar facet; 8 — Trochlea of talus, superior facet; 9 — Navicular articular surface; 10 — Lateral malleolar facet; 11 — Anterior talar articular surface; 12 — Articular surface for cuboid; 13 — Tarsal sinus; 14 — Calcaneal sulcus; 15 — Posterior talar articular surface; 16 — Middle talar articular surface
