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Patellar tendonitis or jumper's knee

Medically reviewed by Amy Kwan, PT Key Takeaways Patellar tendonitis happens when the tendon becomes inflamed and irritated.
Tendonitis is pain in or around a tendon, which is a band of strong tissue that connects a muscle to a bone. Tendons bend, stretch, and twist to help joints and muscles move. They can become inflamed ...
Calcific tendonitis occurs when calcium deposits accumulate in the tendons or muscles. Symptoms include inflammation and pain. As a result, a person may find it difficult to sleep, especially when ...
The R.I.C.E. protocol (rest, ice, compression, and elevation) is a common natural remedy for tendonitis, an injury to a tendon that's often due to repetitive strain. Other natural remedies may include ...
Tendinopathy is a condition in which a tendon becomes painful and has limited range of motion. More common than tendonitis, tendinopathy can be caused by many things, like aging, stress, or injury.