Joint Preservation Blog

January 13, 2009

What is a hip labrum?

hip labrum

hip labrum

Yesterday I posted on how to fix labral tears with stem cells, today I think it’s important again to show what the labrum is and what it does.  The picture above shows the hip socket where the hip bone (femur) would insert (ball of the femur would fit here in that socket, but the ball is removed here).  The labrum is represented by the red circle and the x’s.  This is the “lip” of the socket where the ball fits.  What does it do?  It helps to keep the ball in the socket .  The labrum becomes very important in doing this in activities with allot of travel for the hip joint like figure skating, bump skiing, horse back riding, hockey, etc…  If the labrum gets torn, movements where the hip is brought to extremes may allow the ball of the femur to move slightly out of the joint which can place extra stress on the other ligaments that help hold the joint together.  So in summary, the labrum is the lip around the socket that holds the ball in the socket


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