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 ...

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 ...

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The Los Angeles Chargers were bracing for bad news when starting left tackle Rashawn Slater suffered a non-contact knee injury during Thursday's training camp. And come Thursday afternoon, the team's ...