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 ...

Though categorically not bad for your knees, running can be the cause of certain knee pain or injuries. One of the more common ones is patellar tendinopathy, which presents as pain just below the knee ...

Medically reviewed by Oluseun Olufade, MD Key Takeaways Patellofemoral stress syndrome is often called runner's knee or ...