Muscles in Forearm

muscles in forearm

Muscles in the forearm allow you to extend your fingers. The extensor digitorum is responsible for extension. The extensor carpi ulnari adducts your wrist and rotates it outwards. The abductor pollicis longus is responsible for moving your thumb away from your body. When you’re injured, these muscles can strain. A strain can develop over a few days or weeks.

Anconeus muscle

The Anconeus muscle in the forearm is a very important muscle in the forearm. It contributes to centripetal force in the joint, which is needed to maintain joint integrity. Pauly, J. E., performed a series of experiments to study the relationship between the humero-ulnar joint and the anconeus muscle.

Biceps brachii

The biceps brachii muscle is a large muscle with two heads. It lies on the anterior side of the forearm. It connects to the radial tuberosity and inserts at the deep fascia of the forearm. Its anatomy includes attachments, innervations, and insertion tendons.

Flexor carpi radialis

The Flexor carpi radialis is one of the five muscles in the common flexor belly/tendon. It attaches to the anterior side of the second and third metacarpals. Its primary action is flexion.

Extensor carpi radialis longus

If you suffer from pain in the elbow, it is possible that you have a trigger point in the Extensor Carpi Radialis Longus. This muscle runs from the base of the 2nd metacarpal bone to the lower outer portion of the humerus. When this muscle is injured, it can lead to elbow pain, a weak grip, or even tennis elbow.

Supinator carpi radialis

The supinator muscle originates from the lateral epicondyle of the humerus and forms a joint with the extensor carpi radialis brevis and ulnaris. These two muscles are connected by a common tendon. They attach on the lateral and anterior surface of the radius and curve around the upper third of the radius.

Pronator teres

The pronator teres muscle is one of the four major muscles of the anterior forearm. It is responsible for pronation of the forearm and flexion of the elbow joint. It is a fusiform muscle with parallel fibers that run between two muscle tendons. It is located on the ulnar head and the middle of the lateral surface of the radius. When flexed, the pronator teres muscle assists the pronator quadratus.

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