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The primary aim of surgery is to correct the fit of the femoral head and acetabulum to create a hip socket that reduces contact between the two, allowing a greater range of movement. [30] This includes femoral head sculpting and/or trimming of the acetabular rim. [30] [31] Surgery may be arthroscopic or open. [7]
Impingement occurs when the femoral head rubs abnormally or lacks a full range of motion in the acetabular socket. [7] There are three different forms of FAI. The first form is caused by a cam-deformity where extra bone is present on the femoral head, which leads to the head being non-spherical.
Although traditionally belonging to the arena of radiographs, the role of MRI has been stressed after the term femoral acetabular impingement was coined in 2003. Growing interest has been focused in accurate diagnosis of the acetabular and femoral morphological abnormalities that may lead to early osteoarthritis. [1]
Hip Impingement. A hip impingement is when the thigh bone and socket rub together, which can lead to pain and restricted motion. ... A femoral hernia develops when inner tissue protrudes from a ...
The acetabular labrum is a fibrous structure, which surrounds the femoral head. It forms a seal to the hip joint, [ 15 ] although its true function is poorly understood. Recent evidence has demonstrated that this hydraulic seal is vital for maintaining stability of the ball and socket joint [ 16 ] and reducing contact pressures of the femur to ...
The positive Drehmann sign is a typical clinical feature in slipped capital femoral epiphysis (SCFE), the impingement syndrome of the acetabulum-hip, or in osteoarthritis of the hip joint. [ 3 ] References
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The acetabular labrum (glenoidal labrum of the hip joint or cotyloid ligament in older texts) is a fibrocartilaginous ring [1] [2] [3] which surrounds the circumference of the acetabulum of the hip, deepening the acetabulum. The labrum is attached onto the bony rim and transverse acetabular ligament. It is triangular in cross-section (with the ...