Diagram of osta of region of leg and foot
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bones of leg and foot anatomy diagram tibia fibula tarsals metatarsals phalanges
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labeled anatomical diagram bones of leg and foot tibia fibula tarsals metatarsals phalanges
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foot anatomy AND leg anatomy
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Osteology of the leg and foot
Leg bones
- Tibia: the large, medial, weight-bearing bone of the leg. Its lower end forms the medial malleolus.
- Fibula: the slender, lateral bone. Its lower end forms the lateral malleolus.
- The tibia and fibula articulate with the talus to make the ankle joint.
Foot bones: 26 in each foot
| Region | Bones |
|---|---|
| Tarsals (7) | Talus, calcaneus, navicular, cuboid, medial cuneiform, intermediate cuneiform, lateral cuneiform |
| Metatarsals (5) | Metatarsals I-V, numbered from the great-toe side to the little-toe side |
| Phalanges (14) | Great toe: proximal and distal phalanges. Other toes: proximal, middle, and distal phalanges |
Simple arrangement, posterior to anterior:
Tibia + Fibula
↓
Talus
↓
Calcaneus (heel)
Talus → Navicular → 3 Cuneiforms → Metatarsals I-V → Toes
Calcaneus → Cuboid → Metatarsals IV-V → Toes
- Talus transfers weight from the tibia to the foot.
- Calcaneus is the heel bone and largest tarsal.
- The sesamoid bones are usually found under the head of the first metatarsal.
The foot is commonly divided into:
- Hindfoot: talus and calcaneus
- Midfoot: navicular, cuboid, and three cuneiforms
- Forefoot: metatarsals and phalanges
The diagram is from General Anatomy and Musculoskeletal System, p. 444.
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