femoroacetabular impingement-
fai, refers to excess bone growth to either the hip-acetabulum, or the leg-femur (the ball specifically). where the excess bone has formed impingement happens. this impingement causes a lack of range of motion, discomfort and knocking of the hip; all of which can lead to osteo-arthritis, a labral tear and many other issues to the iliac and anterior femoral regions.
fai is found in three forms:
cam-excess bone on the femur
pincer-excess bone on the acetabulum
mixed-excess bone on both the femur and acetablum.
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| http://www.bryankellymd.com/hip_kelly_new.html |
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| http://www.bryankellymd.com/images/femoroacetabular.jpg |
Here are a few resources to learn more about fai:
