In the condition of femoroacetabular impingement (CAM type), the abnormal shape of the bone leads to abnormal forces on the labrum and articular cartilage and causes early damage and hip pain.
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The x-ray picture below demonstrates the loss of sphericity, or rounded shape, of the femoral head at the junction between the head and neck along the top portion of the femur (the ball portion of the ball and socket joint).
In addition to treating the damage in the hip joint, the shape of the femoral head and neck can be reshaped arthroscopically to recreate a normal contour.
Hip Arthroscopy Rim Trimming
Hip Dynamic Examination
The hip arthroscopy video below demonstrates dynamic examination of the hip following acetabular rim trimming and femoral osteoplasty and labral (labrum) repair. The hip is brought through range of motion under anesthesia to check for adequate treatment of femoroacetabular impingement (FAI). The labral tissue is free of any impingement forces which had contributed to its damage.