Hip Labrum Anatomy

A damaged labrum can also result in a shift of the hip center of rotation. The anterior portion is most vulnerable when the labrum tears.

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The hip labrum has many functions including shock absorption joint lubrication pressure distribution and aiding in stability with damage to the labrum associated with osteoarthritis.

Hip labrum anatomy. Hip labrum anatomy and function. The hip labrum is a ring of strong flexible cartilage that rims the outer edge of the hip socket acetabulum. The acetabular labrum is a ring of cartilage that surrounds the acetabulum of the hip.

In addition to cushioning the hip joint the labrum acts like a rubber seal or gasket to help hold the ball at the top of your thighbone securely within your hip socket. Athletes who participate in such sports as ice. It provides an articulating surface for the acetabulum allowing the head of the femur to articulate with the pelvis.

Without the protection of the seal or with a hip thats off center repetitive motion can create multiple small injuries to the labrum and to the hip joint. Elsewhere it is attached to the margins of the acetabulum. The labrum deepens this cavity the glenoid cavity and effectively increases the surface of the shoulder joint.

The hip like the shoulder has a labrum. The etiology of labral tears includes trauma femoroacetabular impingement fai capsular laxityhip hypermobility dysplasia and degeneration. Understanding hip anatomy is important to understanding a labral tear and its possible effects.

The acetabulum covers 170 of the femoral head. Here it is bridged by the transverse ligament thus forming the acetabular foramen beneath it. The acetabular labrum is a c shaped fibrocartilaginous structure with an opening anteroinferiorly at the site of the acetabular notch.

The hip is a ball and socket synovial joint formed by the articulation of the femoral head with the acetabulum. The glenoid labrum is a ring of fibrocartilage that runs around the cavity of the scapula wingbone in which the head of the humerus the bone in the upper arm fits. A hip labral tear involves the ring of cartilage labrum that follows the outside rim of the socket of your hip joint.

A change of this type increases the impact and load on the joint. A ring of rubbery fibrocartilage around the rim of the acetabulum which deepens the hip socket and acts as the suction seal of the hip joint. The acetabular labrum is a fibrocartilaginous structure like the glenoid labrum and it is shaped to outline the acetabular socket.

The labrum serves several purposes including. The intact labrum seals the lubricating fluid within the hip and contributes to stability of the joint.

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