Muscles of the Arm Flashcards Preview

Anatomy - Musculoskeletal > Muscles of the Arm > Flashcards

Flashcards in Muscles of the Arm Deck (11):
1

Triceps Brachii

O: Long head - scapula
Medial head - humerus
Short head - humerus

I: Olecranon of ulna

A: Elbow extension

I: Radial

2

Biceps Brachii

O: Long head - Tubercle of scapula
Short head - Coracoid process of scapula

I: Radial tuberosity

A: Elbow flexion and supination

N: Musculocutaneous

3

Brachialis

O: Humerus

I: Ulnar tuberosity

A: Elbow flexion

N: Musculocutaneous

4

Coracobrachialis

O: Coracoid process

I: Anterior, proximal humerus

A: Flexes and adducts arm

N: Musculocutaenous

5

Brachioradialis

O: Distal, posterior humerus

I: Styloid process of the radius

A: Elbow flexion and pronation

N: Radial

6

Extensor Digitorum

O: Lateral epicondyle of humerus

I: 2-5th digits

A: Wrist extension and extension/abduction of the fingers

N: Radial

7

Extensor carpi ulnaris

O: Ulnar head

I: 5th metacarpal

A: Wrist extension and adduction of hand

N: Radial

8

Extensor carpi radialis longis

O: Distal, posterior humerus

I: 2nd metacarpal

A: Elbow flexion, wrist extension and abduction

N: Radial

9

Flexor Carpi Radialis

O: Medial epicondyle of humerus

I: 2nd metacarpal

A: Wrist flexion and abduction of the hand

N: Median

10

Flexor Carpi Ulnaris

O: Medial epicondyle of humerus

I: Lateral carpal bones

A: Wrist flexion and adduction of hand

N: Ulnar

11

Flexor Digitorum

O: Proximal, medial ulna and interosseous membrane

I: Palmar surface of hand, base of distal phalanges

A: Hand and phalanx flexion

N: Median