Muscles of the Cubital Region
Supinator Innervation
Deep branch of radial n. (C7, C8)
Brachioradialis Action
Flexes forearm ?
Supinator Origin
Lateral epicondyle of humerus radial collateral and annular ligaments supinator fossa and crest of ulna
Brachioradialis Insertion
Lateral surface of distal end of radius to styloid process
Supinator Insertion
Lateral, posterior and anterior surfaces of proximal 1/3 of radius
Pronator teres Origin
Medial epicondyle of humerus coronoid process of ulna
Pronator teres Innervation
Median n. (C6,C7)
Pronator teres Insertion
Middle of lateral surface of radius
Pronator teres Action
Pronates forearm assists in flexion of forearm
Brachioradialis Origin
Proximal 2/3 of lateral supraepicondylar ridge of humerus
Brachioradialis Innervation
Radial n. (C5,C6,C7)
Supinator Action
Supinates pronated forearm
