The extensor digitorum muscle (also called the “extensor digitorum communis”) is one of the key muscles on the backside of the forearm. The extensor digitorum muscle helps in the movements of the ...

The extensor apparatus of the human hand comprises a network of tendons that arise from forearm musculature and traverse the dorsal wrist to insert on the digits and thumb. While the extensor ...

The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. You probably work your ...