Appendicular Musculature - Part 1 Flashcards Preview

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Flashcards in Appendicular Musculature - Part 1 Deck (25)
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1

Pectoralis minor

O: anterior surface of ribs 3-5
I: coracoid process of scapula
A: protracts/depresses scapula

2

Serratus anterior

O: ribs 1-8
I: medial border of scapula
A: laterally rotates scapula

3

Trapezius

O: occipital bone
I: lateral third of clavicle
A: stabilizes scapula

4

Levator scapulae

O: transverse processes of c1-c4
I: upper medial border of scapula
A: elevates scapula, adducts scapula

5

Rhomboids

O: spinous process of c7-t5
I: Medial border of scapula
A: adducts scapula, rotates scapula

6

Pectoralis major

O: sternum, clavicle
I: greater tubercle of humerus
A: flexes, adducts arm

7

Deltoid

O: acromion of scapula
I: deltoid tuberosity of humerus
A: abducts arm

8

Latissimus dorsi

O: ribs 9-12
I: intertubercular groove of humerus
A: extends, adducts arm

9

Subscapularis

O: Subscapular fossa of scapula
I: lesser tubercle of humerus
A: Medially rotates arm

10

Supraspinatus

O: supraspinous fossa of scapula
I: greater tubercle of humerus
A: abducts arm

11

Infraspinatus

O: Infraspinous fossa of scapula
I: greater tubercle of humerus
A: laterally rotates arm

12

Teres minor

O: lateral border of scapula
I: greater tubercle of humerus
A: laterally rotates arm

13

Teres major

O: inferior border of scapula
I: lesser tubercle of humerus
A: medially rotates arm, adducts arm

14

Coracobrachialis

O: coracoid process of scapula
I: medial shaft of humerus
A: flexes arm, adducts arm

15

Triceps brachii

O: posterior shaft of humerus
I: olecranon process of ulna
A: extends forearm

16

Biceps brachii

O: coracoid process of scapula
I: radial tuberosity of radius
A: flexes forearm

17

Brachialis

O: anterior shaft of distal humerus
I: coronoid process of ulna
A: flexes forearm

18

Palmaris longus

O: medial epicondyle of humerus
I: palmar aponeurosis
A: tenses skin of palm during hand movements

19

Flexor carpi ulnaris

O: olecranon process of ulna
I: pisiform bone, hamate bone
A: flexes hand, adducts hand

20

Flexor digitorum

O: shaft of radius
I: middle phalanges 2-5
A: flexes fingers, flexes hand

21

Extensor carpi radialis

O: lateral epicondyle of humerus
I: metacarpals 2-3
A: extends hand, abducts hand

22

Extensor digitorum

O: lateral epicondyle of humerus
I: distal phalanges 2-5
A: extends fingers, hand

23

Extensor carpi ulnaris

O: lateral epicondyle of humerus
I: metacarpal 5
A: extends hand, adducts hand

24

Supinator

O: proximal end of ulna
I: proximal end of radius
A: supinates forearm

25

Extensor pollicis

O: dorsal shaft of radius and ulna
I: phalange 1
A: extends thumb