Femoroacetabular Impingement (FAI) is caused by an overgrowth of bone on the acetabulum (pincer lesion) or an excess of bone arising from the femoral head/neck (cam lesion). FAI is often mixed pincer and cam pathology, causing impingement of the labrum between the acetabular rim and femoral neck during hip range of motion.
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Femoroacetabular Impingement (FAI) is caused by an overgrowth of bone on the acetabulum (pincer lesion) or an excess of bone arising from the femoral head/neck (cam lesion). FAI is often mixed pincer and cam pathology, causing impingement of the labrum between the acetabular rim and femoral neck during hip range of motion.