Muscles that move the radius and ulna (Forearm flexors)

Forearm flexors


Biceps brachii
O・・・Supraglenoid tubercle (Long head), Coracoid process of scapula (Short head)
I・・・Radial tuberosity and bicipital aponeurosis
A・・・Flexes forearm at elbow joint, supinates forearm at radioulnar joints, and flexes arm at shoulder joint
N・・・Musculocutaneous nerve

Brachialis
O・・・Anterior-distal 1/3 of humerus
I・・・Ulnar tuberosity and coronoid process of ulna
A・・・Flexes forearm
N・・・Musculocutaneous and radial nerve

Brachioradialis
O・・・Lateral distal 1/3 of humerus
I・・・Styloid process of radius
A・・・Flexes forearm at elbow joint, spinatoes and pronates forearm at radioulnar joint to neutral position
N・・・Radial nerve