Abstract
In pincer femoroacetabular impingement (FAI) hip motion is limited due to functionally excessive acetabulum. Acetabulum may be too deep; there may be a regional “bumper” on the rim or it may be maloriented (retroversion of the acetabulum). Pincer situation may be caused also by large os acetabuli. Excessive anterior rim of the acetabulum may cause contact between rim and femoral head-neck junction and lift off of the femoral head from the acetabulum. This lift off may cause posterior “contrecoup” chondral damage to the posterior acetabular cartilage.
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Seppänen, M. (2020). Acetabular Rim Trimming. In: Bonin, N., Randelli, F., Khanduja, V. (eds) Hip Preservation Surgery . Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-61186-9_4
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DOI: https://doi.org/10.1007/978-3-662-61186-9_4
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