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Lower Extremity

Anterior_Leg.jpgPoster_Leg.jpgAlthough in common usage, the human leg or leg can refer to the entire lower extremity or limb, of the human body, including the foot, thigh and even the hip or gluteal region, the precise definition in human anatomy refers to the section of the lower limb extending between the knee and the ankle. Legs are used for standing, walking, jumping, running, kicking, and similar activities, and constitute a significant portion of a person's mass.

In human anatomical terms, the leg is the part of the lower limb that lies between the knee and the ankle, the thigh is between the hip and knee and the term "lower limb" is used to describe the colloquial leg. This article generally follows the common usage.