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 ...

Bicep tendonitis is usually caused by overloading and overusing the biceps tendon. The primary function of your biceps is elbow flexion and turning your palm up. Biceps tendonitis symptoms can include ...

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