Posts Tagged "Anterior Cruciate Ligament"

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What Now For Scott Sizemore After Repeat ACL Tear?

ScottSizemoreScott Sizemore, Oakland A’s third baseman, will be sitting out a second consecutive season because of impending left ACL (anterior cruciate ligament) surgery. After complaining of stiffness in his knee last night, it was determined that Sizemore had re-torn the ACL he’d first injured last spring. After an arduous rehab that was reportedly uneventful and free of setbacks, he will have to do it all over. Again.

The ACL (& Achilles) In The NFL

suggsThe ACL is the primary stabilizer of the knee and the MCL (Medial Collateral Ligament) is the ligament that stabilizes the inner compartment of the knee. Ligaments attach adjacent bones and, though they allow for some accessory movement, their role is to stabilize joints by limiting their mobility. For a quick read on the anatomy of the ACL and MCL as well as factors related to their injury and rehab, take a look at a previous injury Breakdown on the topic.

ACL Recount

images-3In re-reviewing the updated NFL injury reports I stand corrected on Tuesday’s post regarding the prevalence of ACL tears suffered by players this season. I’d counted ten, and the number appears to be at least 15, or possibly 16.

The ACL In The NFL

images-2There have been so many season-ending injuries in the NFL this season, and complete ACL tears seem to lead this category. By my count, there are already 10 players who are looking on from the sidelines after having ACL surgery.

When watching replays on TV or at the stadium, I’m actually amazed there aren’t even more ACL tears. Feet are planted while the body rotates, a tackle forces a knee to hyperextend, pushing it beyond the straight or locked out position, or most commonly, a players legs are grabbed in a tackle while his body keeps moving (generally with the knee bent), forcing his knee to move in a manner that is simply not possible with the ligaments intact.

Perkins And The PCL

imagesBoston’s starting center Kendrick Perkins was on the bench — due to an injury sustained in the first quarter of game six — when the Lakers dropped the Celtics to claim the title on Saturday. Maybe the loss of his rebounding prowess was an overriding factor. Perkins’ teammates fell just short of bringing the 25 year-old seven-year-veteran his second championship in three years. Did I say 25 year-old seven-year-veteran? Wow! Unfortunately, instead of a trophy, as a parting gift for the 2010 season, Perkins will have to undergo ligament reconstruction surgery. Ouch… Perkins’ injury is evidently a double whammy – tears of the posterior cruciate and medial collateral ligaments.

What is the Posterior Cruciate Ligament (PCL)?

ABC's Of The ACL & MCL

images-3The Anterior Cruciate Ligament is the primary stabilizer of the knee. It is located between (and attaches) the rear outer base of the femur (thigh bone) and the top of the front inner tibia (the larger of the two bones in the lower leg). It is called the anterior (front) cruciate because it crosses another ligament (the posterior cruciate) that is located behind it, with the two ligaments essentially forming an “X”. The role of the ACL is to prevent the top of the tibia from gliding forward. When torn, this motion is not checked and the knee becomes unstable, often buckling.

What is the MCL?