CAUSES
Forcing a joint out of its normal position can result in a ligament tear. This can occur in a fall, sudden twisting, or a blow to the body. 2 Injuries to a ligament are especially common during athletic activity, as joints are consistently in action and under a lot of stress.
FOR MORE INFORMATION ABOUT KNEE INJURY
The anterior cruciate ligament (ACL) is the most common ligament to be injured. The ACL is often stretched and/or torn during a sudden twisting motion (when the feet stay planted one way, but the knees turn the other way). Skiing, basketball, and football are sports that have a higher risk of ACL injuries.
The posterior cruciate ligament (PCL) is also a common ligament to become injured in the knee. However, the PCL injury usually occurs with sudden, direct impact, such as in a car accident or during a football tackle.
The medial collateral ligament is injured more often than the lateral collateral ligament. Stretch and tear injuries to the collateral ligaments are usually caused by a blow to the outer side of the knee, such as when playing hockey or football.
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