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How To Lessen Risks Of Knee ACL Injuries

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A knee anterior cruciate ligament (ACL) injury is the most common injury affecting the knee joint. About 70% of all serious knee injuries involve damage to the ACL. There are some training techniques you can use to lessen the risk of this injury. The knee ACL is located within the capsule of the knee and connects the thigh bone (femur) to the shin bone (tibia).

Most knee ACL injuries occur when you decelerate, come to a sudden stop or land with improper technique while placing too much stress on the knees. If you are an athlete, you should dominate with the hamstrings, hips and glutes during movement. The hips are often under-used during sports competition. Another common mechanical breakdown is when the knees protrude far in front of the feet when decelerating, landing or squatting. This puts undue stress on the knees and often causes injury. Also, when the quadriceps are much stronger than the hamstrings, this can cause an ACL injury. Research has shown that the hamstrings play an important role in stabilizing the knee and protecting the ACL during deceleration.

Females injure their knee ACLs at six times the rate of males. Females demonstrate a lower hamstrings to quadriceps ratio. This means they typically have weaker hamstrings compared to males. They also demonstrate different muscle activation patterns compared to males. Females are typically quadriceps dominant athletes which means they use their strong quadriceps muscles and do not use their weak hamstrings enough. Strength training for females should be adjusted to adequately strengthen the hamstrings.

Lateral lunges and lateral bounding teaches you how to move correctly while dominating movement with the hips.

You should also learn proper landing techniques using exercises such as vertical jumps, broad jumps and depth jumps.

Surgery will be necessary for a tear of the knee ACL. Usually, the tear is repaired by using a part of another healthy ligament to replace the damaged ACL. Rehabilitation for a torn knee ACL takes about 3-4 months and it takes another 8 months or more before an athlete can return to competition at full speed (or near full speed).

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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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