Anterior Crucite Ligament Essay

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Anterior Crucite Ligament

The volleyball match has been going on for over an hour. Both teams have been trading points and side-outs. The ball is set high outside so that the big outside hitter can put the ball away. He comes in hard, plants, leaps and smashes the ball down the line in twisting motion. As he lands on his right foot, a "POP" is heard and down he goes. What has just happened is occurring more and more often in athletics, the athlete has just torn the anterior cruciate ligament (ACL). In this paper I will describe ACL, how it is injured and diagnosed, how it is repaired and what is being done to prevent ACL injuries.

The Anterior Cruciate Ligament (ACL) is one of two cruciate ligaments of the knee, the other
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When the person tries to put weight on the leg it will feel like the knee isn't underneath the athlete. The knee joint will be instate and the athlete will have joint pain on the inner (medial) side of the knee. With most injuries the type of movement will help to determine the injury: "I twisted to the right." etc. An experienced clinician can diagnose an ACL tear with relative accuracy by a manual examination. X-ray examination and Magnetic Response Imaging (MRI) are also used in diagnosing ACL injuries. Doctors or trainers can use three different types of physical examination to test for ACL injuries: Lechman's test, Anterior drawer test, and Pivot shift test of MacIntosh.

Lechman's test is performed by having the athlete lay on his/her back, then passively flexing the knee of the athlete to between 20 degrees and 30 degrees. The hamstring has to be relaxed or it can produce false test result. Holding the lower part of the athlete's thigh in one hand and the upper part of the calf in the other, then slowly pulling the tibia forward. Increased looseness in the knee joint is indicative of an ACL injury. During the Anterior drawer test the athlete lies on his/her back with the knee bent to 90 degrees and the foot resting on the table. Stabilizing the foot by either sitting on it or having someone else hold it down, the examiner will place his /her hands around the upper part of the calf with thumbs on the

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