Deep fascia

Deep fascia is a layer of fascia, a band or sheet of connective tissue, primarily collagen, beneath the skin that attaches, stabilizes, encloses, and separates muscles and other internal organs. The deep fascia is denser and more fibrous than the superficial fascia. It is also richly supplied with blood vessels and nerves.

Etymology

The term "fascia" is derived from Latin, meaning "band". The term "deep" is used to distinguish this type of fascia from the superficial fascia, which is closer to the surface of the body.

Structure

Deep fascia is a fibrous layer of connective tissue that surrounds individual muscles, groups of muscles, blood vessels, and nerves, binding some structures together, while permitting others to slide smoothly over each other. It is made primarily of densely packed collagen fibers.

Function

Deep fascia plays a crucial role in body movements, posture, and overall physical stability. It provides a supportive and movable wrapping for nerves and blood vessels as they pass between different structures.

Clinical significance

Deep fascia can become tight or restricted due to overuse, trauma, infectious agents, or inactivity, often resulting in pain, muscle tension, and corresponding diminished blood flow. Conditions such as plantar fasciitis, compartment syndrome, and myofascial pain syndrome are associated with changes in the deep fascia.

See also

• Superficial fascia
• Fascia of Scarpa
• Fascia of Camper

References

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