Sudden onset knee pain

ACL sprain

ACL Tear | Anterior Cruciate Ligament Sprain

An ACL sprain is a tear of the anterior cruciate ligament in the knee joint. If you suspect you have a torn ACL then seek professional medical attention. On this page: Symptoms Causes & anatomy Treatment ACL taping Exercises Surgery Torn ACL symptoms ACL tears usually occur as a result of a twisting movement when …

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Patellofemoral Instability

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.

Coronary Ligament Sprain

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.

Unhappy Triad of the Knee

Unhappy Triad

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. Severe knee pain, difficulty moving the knee and a tearing sound at the time of injury are the main symptoms.

Biceps Femoris Tendon Avulsion

Biceps Femoris 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.

Hamstring tendon strain

Hamstring Tendon Strain

Hamstring Rupture

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 when the tendon pulls a small fragment of bone with it.

Articular Cartilage Injury

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.

Patella Tendon Rupture

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.

Patella injury

Acute Patella Injury

Acute Patella Injury

An acute patella injury is an injury to the kneecap or patella from a direct blow or fall onto the knee. This could include bruising or soft tissue injury but in more severe cases a fracture of the patella is also possible. Patellofemoral pain is sometimes a complication to be aware of.