What causes quadriceps tendon tears? When can an athlete return to a sport after treatment? The quadriceps tendon works with the muscles in the front of your thigh (quadriceps) to straighten your leg.

There are many different causes for knee pain when bending the leg. The location of pain and other symptoms can help differentiate possible causes, such as tendonitis, strains, or arthritis. The type ...

SAN DIEGO (AP) — Padres reliever Jason Adam ruptured a tendon in his left quadriceps and was carted off the field Monday, a major blow to San Diego's dominant bullpen. Adam was injured in the seventh ...