Infrapatellar Tendinitis

(Jumper’s knee, Sinding-Larsen-Johansson disease)

The infrapatellar tendinitis is a osteochondrosis, which is a wear injury to the patellar tendon at the base to the lower pole of the patella.

Knee pain with tenderness the infrapatellar tendon physically active children are caused by chronic overuse, which usually occurs during skating, basketball or volleyball. This occurs mainly in children aged 10 to 13 years. The pain is particularly strong when the knee is stretched against resistance (eg. As climbing stairs, jump, squat). The etiology is probably based on a trauma due to excessive stress on the patellar tendon at its insertion point, resulting in mikroavulsion fractures. History and physical examination are sufficient for the diagnosis, but a magnetic resonance imaging can usually show the extent of the injury.

The infrapatellar tendinitis is a osteochondrosis, which is a wear injury to the patellar tendon at the base to the lower pole of the patella. Knee pain with tenderness the infrapatellar tendon physically active children are caused by chronic overuse, which usually occurs during skating, basketball or volleyball. This occurs mainly in children aged 10 to 13 years. The pain is particularly strong when the knee is stretched against resistance (eg. As climbing stairs, jump, squat). The etiology is probably based on a trauma due to excessive stress on the patellar tendon at its insertion point, resulting in mikroavulsion fractures. History and physical examination are sufficient for the diagnosis, but a magnetic resonance imaging can usually show the extent of the injury. The pain is treated with changes in behavior, NSAIDs and physiotherapy. Persistent pain can be treated surgically, but this is not usually required.

Health Life Media Team

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