Forearm Anatomy Muscles

Muscle action origin insertion innervation blood supply. Brachioradialis assists with flexion of elbow when forearm in mid pronation proximal 22 of lateral supracondyle ridge of humerus lateral surface of distal radius radial nerve.

Stock Illustration

The flexor digitorum superficialis is the only muscle.

Forearm anatomy muscles. As the tendon of biceps brachii enters the forearm a connective tissue sheet is given off the bicipital aponeurosis. The arm muscles of the upper limb act on the elbow and shoulder joints to produce the various movements of the forearm. The muscles in the forearm rotate flex and extend the wrist.

That means pain from a shoulder injury such as a torn rotator cuff often radiates down your arm. Extending from the shoulder to the elbow the upper arm provides pulling and lifting strength. The forearm contains many muscles including the flexors and extensors of the digits a flexor of the elbow brachioradialis and pronators and supinators that turn the hand to face down or upwards respectively.

This hinged joint allows the arm to open up to 180 degrees at full extension. The forearm is the area between the wrist and the elbow. This is known as nerve compression or a pinched nerve.

Several of the muscles in your upper arm are connected to your shoulder. Although the majority of the muscle mass is located anteriorly to the humerus it has no attachment to the bone itself. The biceps brachii is a two headed muscle.

Extensor carpi radialis longus extends and abducts wrist. C567 radial recurrent artery. Five arm muscles play a role in these movements.

Your arm especially your forearm and wrist is a common area for this. Muscles in the anterior compartment of the forearm superficial compartment. Biceps brachii brachialis coracobrachialis triceps brachii and anconeus.

The first three are primarily involved in forearm flexion hence they are called flexors. Forearm muscles anatomy the term forearm is used in anatomy to distinguish it from the arm a word which is most often used to describe the entire appendage of the upper limb but which in anatomy technically means only the region of the upper arm whereas the lower arm is called the forearm. The superficial muscles in the anterior compartment are.

Forearm Muscle Anatomy