1 — Apex of head; 2 — Head of fibula; 3 — Neck of fibula; 4 — Lateral surface; 5 — Medial surface; 6 — Interosseous border; 7 — Medial crest; 8 — Anterior border; 9 — Lateral malleolus; 10 — Malleolar fossa; 11 — Articular facet; 12 — Shaft of fibula; Body of fibula; 13 — Posterior border; 14 — Posterior surface; 15 — Nutrient foramen; 16 — Articular facet; 17 — Articular facet; 18 — Inferior articular surface; 19 — Fibula; 20 — Tibia; 21 — Medial malleolus; 22 — Malleolar groove