Lab 10

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created 2 years ago by Luniviciana
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Forearm and hand
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anatomy
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1

Pronator teres

Origin: medial epicondyle of humerus and coronoid process of ulna

Insertion: radius

Action: pronates forearm

Innervation: median nerve

2

Flexor carpi radialis

Origin: medial epicondyle of humerus

Insertion: metacarpal bones 2 and 3

Action: flexes and abducts wrist

Innervation: median nerve

3

Palmaris longus

Origin: Medial epicondyle of humerus

Insertion: aponeurosis of palm

Action: flexes wrist

Innervation: median nerve

4

Flexor carpi ulnaris

Origin: medial epicondyle of humerus

Insertion: metacarpal 5

Action: flexes and adducts wrist

Innervation: ulnar nerve

5

Pronator quadratus

Origin: distal anterior aspect of ulna

Insertion: distal anterior surface of radius

Action: pronates forearm

Innervation: median nerve

6

Extensor carpi radialis longus

Origin: lateral supracondylar ridge of humerus

Insertion: metacarpal 2

Action: extends and abducts wrist

Innervation: radial nerve

7

Extensor carpi radialis brevis

Origin: lateral epicondyle of humerus

Insertion: base of metacarpal 3

Action: extends and abducts wrist

Innervation: radial nerve

8

Extensor carpi ulnaris

Origin: lateral epicondyle of humerus

Insertion: base of metacarpal 5

Action: extends and adducts wrist

Innervation: radial nerve

9

Supinator

Origin: Lateral epicondyle of humerus and lateral side of ulna

Insertion: lateral surface of proximal radius

Action: supinates forearm

Innervation: radial nerve