Which of the following muscles increases the angle between the bones of the fi ngers and hand? A. extensor digitorum B. extensor carpi ulnaris C. fl exor digitorum profundus D. abductor pollicis longus
Option A. Extensor digitorum muscles increases the angle between the bones of the fingers and hand. “Extensor” refers back to the movement of extension (growing the angle among the hand and fi ngers), while “digitorum” refers back to the digits (fi ngers).
