leg


leg

In a biped, the lower limb, jointed at the knee, supporting the body and used for walking and running. Its bones are the femur (thighbone), the longest bone in the human body; patella (kneecap); tibia (shin); and fibula. The biceps muscle of the thigh bends the leg; the quadriceps straightens it.

This entry comes from Encyclopædia Britannica Concise.
For the full entry on leg, visit Britannica.com.

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