Lab 10
Pronator teres
Origin: medial epicondyle of humerus and coronoid process of ulna
Insertion: radius
Action: pronates forearm
Innervation: median nerve
Flexor carpi radialis
Origin: medial epicondyle of humerus
Insertion: metacarpal bones 2 and 3
Action: flexes and abducts wrist
Innervation: median nerve
Palmaris longus
Origin: Medial epicondyle of humerus
Insertion: aponeurosis of palm
Action: flexes wrist
Innervation: median nerve
Flexor carpi ulnaris
Origin: medial epicondyle of humerus
Insertion: metacarpal 5
Action: flexes and adducts wrist
Innervation: ulnar nerve
Pronator quadratus
Origin: distal anterior aspect of ulna
Insertion: distal anterior surface of radius
Action: pronates forearm
Innervation: median nerve
Extensor carpi radialis longus
Origin: lateral supracondylar ridge of humerus
Insertion: metacarpal 2
Action: extends and abducts wrist
Innervation: radial nerve
Extensor carpi radialis brevis
Origin: lateral epicondyle of humerus
Insertion: base of metacarpal 3
Action: extends and abducts wrist
Innervation: radial nerve
Extensor carpi ulnaris
Origin: lateral epicondyle of humerus
Insertion: base of metacarpal 5
Action: extends and adducts wrist
Innervation: radial nerve
Supinator
Origin: Lateral epicondyle of humerus and lateral side of ulna
Insertion: lateral surface of proximal radius
Action: supinates forearm
Innervation: radial nerve