ACL Presentation

ACL Presentation - Anterior Cruciate Ligament...

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Anterior Cruciate  Ligament  Reconstruction  Grafting Options EBIO 3940
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Why are knee injuries so  common?? ACL rupture is the most common sports injury Over 100,000 ruptures per year in the US alone More common in women  Why is the knee so prone to injury? ACL is the main controller of how far forward the tibia moves under the femur. If the  tibia moves too far, the ACL can rupture.  The ACL is also the first ligament that becomes tight when the knee is straightened. If  the knee is forced past this point, or hyperextended, the ACL can also be torn. How do ACL injuries occur? Sports requiring the foot to be planted and the body to  change direction rapidly    (football, downhill skiing,  basketball)
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The ACL is located in the center of the knee joint where it runs from the  backside of the femur (thighbone) to connect to the front of the tibia  (shinbone).
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Knee anatomy Knee joint is made up of four bones Femur Tibia Fibula Patella
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Anatomy cont’d Two sets of muscles cross the knee joint to make it  move: The quadriceps-are four muscles in the front of the thigh that help  straighten the knee The hamstrings-are the muscles in the back of the thigh that work  together to bend the knee Tendons (connect muscle to bone) Ligament (connect bone to  bone) the four quads come together to form the quadriceps  tendon.  The patellar tendon surrounds the patella as it attaches  muscle to the tibia
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ACL reconstruction grafting  options What is ACL reconstruction? Surgical procedure that involves removing the remains of the 
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This note was uploaded on 03/18/2009 for the course EBIO 3940 taught by Professor Carpenter, during the Spring '08 term at Colorado.

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ACL Presentation - Anterior Cruciate Ligament...

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