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Knowledge center. The knee is a complex structure and one of the most stressed joints in the body. It is the largest joint, vital for movement, and vulnerable to injury. The knee is the most commonly injured joint by adolescent athletes with an estimated 2.5 million sports-related injuries annually. Many knee injuries can be successfully treated with simple measures, such as bracing and strengthening exercises. Other injuries may require surgery to correct.
Ligament injuries in the knee-such as an anterior cruciate ligament (ACL) -- are dreaded by professional and amateur athletes alike. They can be painful and debilitating. They can even permanently change your lifestyle. But there's good news.here are four ligaments in the knee that are prone to injury: 1  Mentioned above, the anterior cruciate ligament (ACL) is one of the two major ligaments in the knee. 2  It connects the thigh bone to the shin bone in the knee.