Medically reviewed by Amy Kwan, PT Key Takeaways Patellar tendonitis happens when the tendon becomes inflamed and irritated.

If YOU'RE FEELING pain just under your kneecap, you might be dealing with a bout of patellar tendonitis. It's a specific place to feel pain, and if you've ever experienced it, you know all too well ...

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Tendonitis Causes By far the most common cause of tendonitis is repeated stress -- using the same joints for the same stressful movements over and over again. That’s why serious athletes often develop ...

Please provide your email address to receive an email when new articles are posted on . Compared with eccentric exercise therapy, progressive tendon-loading exercise resulted in “superior” clinical ...

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 ...