Muscles that Move the Forearm & Hand - ppt video online download

Muscles that Move the Forearm & Hand - ppt video online download: 2. An extensor is the triceps brachii muscle. CopyrightThe McGraw-Hill Companies, Inc. Permission required for reproduction or display. Muscles that Move the Forearm: These muscles arise from the humerus or pectoral girdle and connect to the ulna and radius. 2. An extensor is the triceps brachii muscle. 3.Flexors are the biceps brachii, brachialis, and brachioradialis. 4.Rotators include the supinator, pronator teres, and pronator quadratus.