Sudden onset knee pain

Lateral knee ligament sprain

Lateral Knee Ligament Sprain

A lateral ligament sprain is a knee injury involving a tear to the ligament on the outside of the knee. It most commonly occurs following a direct blow to the inside of the knee. However, it can develop gradually through overuse. On this page: Symptoms & diagnosis Causes & anatomy Treatment Sports massage Surgery Go …

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Patellofemoral Instability

Patellofemoral instability usually involves the patient having a sensation of their kneecap ‘slipping away’ or feeling loose on a movement of the knee. It can occur through a number of anatomical or genetic causes, or it can result from a previous patella dislocation injury. Here we explain both primary and secondary instability. Patellofemoral instability or …

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Coronary Ligament Sprain

Coronary ligament sprain has similar symptoms to cartilage meniscus injury and often occur at the same time as lateral knee ligament injuries (at the side of the knee). A sharp pain is felt on twisting and turning but it is often not bad enough to require complete rest. Symptoms of a coronary ligament sprain A …

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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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Biceps Femoris Tendon Avulsion

A biceps femoris avulsion strain or fracture occurs when the tendon comes away from the bone, taking a small fragment of bone with it causing pain and swelling at the outside back of the knee. It may often be misdiagnosed as a simple tendon injury and may require a much longer period of recovery. Biceps …

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Hamstring tendon strain

Hamstring Tendon Strain

A hamstring tendon strain (also known biceps femoris strain or rupture) is a tear or rupture of one of the hamstring tendons at the point where they insert into the back of the knee. Sudden sharp pain may be felt at the time of injury with possible swelling and soreness. A hamstring avulsion strain occurs …

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Articular Cartilage Injury

Articular cartilage injury is damage to the tough, thin cartilage that lines the ends of bones. It is often caused by a collision or trauma to the knee or in conjunction with other knee joint injuries. Here explain the symptoms, causes, and treatment of an articular cartilage injury to the knee. Symptoms of articular cartilage …

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Patella Tendon Rupture

The patella tendon connects the kneecap to the shin bone. A partial rupture of this tendon is often from a jumping or explosive load on the tendon. People who have previously suffered from patella tendon injuries are more at risk as the tendon is weakened. This knee injury causes swelling and is very painful. Symptoms …

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