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 ...

De Quervain tenosynovitis is pain and swelling in the tendons around your thumb. Specifically, it affects the tendons of two muscles called abductor pollicis longus and extensor pollicis brevis. De ...

Extensor tendonitis causes pain across the top of the foot. The extensor tendons join the muscles on the front of the lower leg, to the toes. They pull the toes upwards away from the ground. The two ...

You can usually treat extensor tendonitis with simple at-home treatments, which include resting the affected tendon, applying ice and compression with a bandage to reduce swelling, and keeping your ...