Knee instability

Unhappy Triad of the Knee

The unhappy triad is a severe injury which involves damage to three of the four major ligaments in the knee. This is a major knee injury that often occurs after a severe impact. The unhappy triad, also known as the terrible triad, or o’donoghues triad is a severe knee injury. It involves full or partial …

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Osteochondral Knee Fracture

An Osteochondral fracture is a tear of the cartilage which covers the end of a bone, within a joint. It is also known as Osteochondritis Dissecans and is common in the knee joint, especially in association with other injuries such as ACL tears. Osteochondral fracture symptoms The athlete will feel immediate pain at the time …

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Patella Dislocation

The patella can dislocate outside of its normal position, usually around the outside of the knee. It can also partially dislocate, called a subluxation. The kneecap will often be visibly displaced and is often caused by a direct impact or a severe twisting action. The patella will sometimes go back to its original position, although …

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