The extensor digitorum brevis muscle is located on the top of the foot. The muscle is attached to tendons that extend to the toes. The extensor digitorum brevis muscle receives signals from the deep ...
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 ...