Tendonitis can be very painful, and the discomfort can get stronger if you keep using the joint and damage to the tendon worsens. Tendonitis usually heals in about 2 to 4 weeks, but chronic tendontis ...
Extensor tendons are found just under the skin of the hand or the top of the feet. Extensor tendonitis is an inflammation of these tendons, and many factors can cause it. Tendons are bands of tissue ...
Extensor tendon injuries, most frequently occurring in the hand, represent a significant clinical challenge due to the intricacies of the extensor mechanism and the vital function it performs in digit ...
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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 ...