Deep fascia of leg

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Deep Fascia of Leg[edit | edit source]

Deep fascia of the leg, also known as the crural fascia

The Deep Fascia of Leg (also known as the Crural Fascia) is a fibrous connective tissue layer that envelops the muscles of the lower leg. It is a continuation of the Fascia lata, the deep fascia of the thigh.

Structure[edit | edit source]

The deep fascia of the leg is a strong, fibrous membrane that covers the muscles and forms a protective layer. It is thicker in the upper part of the leg and gradually becomes thinner as it descends towards the foot. It is attached above to the lower border of the popliteal line, and below to the margins of the heel bone and the metatarsal bones.

Function[edit | edit source]

The deep fascia of the leg serves several important functions. It provides a supportive and protective layer for the muscles, nerves, and blood vessels of the lower leg. It also helps to reduce friction between these structures during movement. Additionally, it plays a role in the venous return of blood from the lower leg to the heart.

Clinical Significance[edit | edit source]

In certain medical conditions, such as compartment syndromes, the deep fascia of the leg can become a source of pain and discomfort. This is because the fascia is not very stretchy, and if the muscles or other structures within the compartment swell, they can put pressure on the fascia, leading to pain and potential damage to the tissues.

See Also[edit | edit source]

References[edit | edit source]

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Contributors: Prab R. Tumpati, MD