Legs

Legs are the two lower limbs of a human body, responsible for locomotion and balance. They are a part of the lower extremity and are composed of multiple parts including the thigh, knee, shin, ankle, and foot.

Anatomy

The leg is divided into two main sections: the upper leg and the lower leg. The upper leg consists of the femur, the longest and strongest bone in the human body. The lower leg is made up of two bones: the tibia and the fibula.

Upper Leg

The upper leg, or thigh, houses the femur. This bone is connected to the pelvis at the hip joint and to the lower leg at the knee joint. The muscles in the upper leg are divided into three groups: the anterior muscles, the medial muscles, and the posterior muscles.

Lower Leg

The lower leg contains the tibia and fibula. The tibia, or shinbone, is the larger of the two and bears most of the body's weight. The fibula is smaller and is located on the lateral side of the tibia.

Function

Legs are primarily used for standing, walking, running, and jumping. They also play a crucial role in maintaining balance and stability.

Health and Disease

There are many conditions that can affect the legs, including arthritis, deep vein thrombosis, and peripheral artery disease. Treatment for these conditions can range from medication and physical therapy to surgery.

See Also

• Human leg
• Lower extremity
• Human skeleton

Legs Resources
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