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Arm/Shoulder

BIOL131

MuscleOrigin and InsertionAction
Extensor Carpi Radialis Longus (O) Lateral supracondylar ridge of humerus (I) Posterior base of 5th metacarpal Extends and abducts hand
Flexor Carpi Ulnaris (O) Medial epicondyle of humerus; olecranon process, and posterior surface of ulna (I) Pisiform, hamate and base of metacarpal 5 Flexes and adducts hand
Brachialis (O) Anterior surface of distal half of humerus (I) Coronoid process of ulna Flexes forearm
Pronator Teres (O) Medial epicondyle of humerus; corinoid process of ulna (I) lateral radius mid-shaft Pronation
Coracobrachialis (O) Coracoid Process (I) Medial surface of mid humerus shaft Flexes and adducts arm
Biceps Brachii Coracoid process; supraglenoid tubercle (I) Radial tuberosity Flexes forearm and arm.
Deltoid (O) Lateral third of clavicle; acromin and spine of scapula (I) Deltoid tuberosity Abducts arm
Supinator (O) Lateral epicondyle of the humerus; proximal ulna (I) Proximal ends of lateral radius Supination
Extensor Digitorium (O) Lateral epicondyle of humerus (I) Dorsal surface of phalanges 2-5 Extends fingers 2-1 on hand
Brachiodialis (O) Lateral supracondylar ridge of humerus (I) Styloid process of radius Flexes forearm
Flexor Carpi Radialis (O) Medial Epicondyle of humerus (I) Ventral surface of metacarpals 2,3 Flexes and abducts hand
Triceps Brachii (O) Infraglenoid tubercle, proximal posterior humerus (I) Olecranon process Extends arm and forearm
Palmaris Longus (O) Medial Epicondyle of humerus (I) Palmar Oponerosis Flexes hand
Extensor Carpi Ulnaris (O) Lateral Epicondyle of Humerus (I) Posterior base of 5th metacarpal. Extends and adducts hand
Created by: RachReile
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