Arm muscle anatomy refers to the location and function ... The flexor carpi radialis, flexor carpi ulnaris, and palmaris longus flex, or bend, the wrist, while their counterparts, the extensor ...

You have 20 muscles in your forearm, the part of your arm between your elbow and your ... the muscles here help you turn your forearms and bend, or flex, your wrist and fingers.

Jonathan Bennion, M.P.A, the co-founder and director of the Institute of Human Anatomy ... to have it one arm but not the other. "This palmaris longus muscle can weakly help flex the wrist ...

This video reviews the anatomy of the shoulder ... to external rotation of the arm. These muscles can be tested simultaneously. Have the patient flex the arm to 90 degrees at the elbow, with ...

While having toned biceps is certainly a flex—literally—that’s not the only muscle you should work on arm day ... director of group fitness at Anatomy. "They stabilize your arms and your ...