Anatomy of the Knee, Leg, and Foot Bones

Femur

Thigh bone; longest bone in the body.

Patella

Kneecap; protects knee joint.

Proximal Tibiofibular Joint

Joint connecting upper tibia and fibula.

Talocrural Joint

Ankle joint; connects tibia and talus.

Fibula

Lateral bone of the lower leg.

Distal Tibiofibular Joint

Joint connecting lower tibia and fibula.

Tibiofemoral Joint

Knee joint; largest synovial joint.

Tibia

Shinbone; bears most leg weight.

Tarsal Bones

Seven bones forming the ankle and foot.

Calcaneus

Heel bone; largest tarsal bone.

Talus

Bone above calcaneus; forms ankle joint.

Cuboid

Tarsal bone; lateral side of foot.

Navicular

Tarsal bone; located between talus and cuneiforms.

Cuneiforms

Three tarsal bones; medial, intermediate, lateral.

Phalanges

Bones of the toes; 14 total.

Metatarsals

Five long bones in the foot.

Interphalangeal Joints

Joints between phalanges of toes.

Metatarsophalangeal Joints

Joints connecting metatarsals and phalanges.

Transverse Tarsal Joint

Joint between tarsal bones; allows foot movement.