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SF1_XXX_Upper Limb > UL Actions > Flashcards

Flashcards in UL Actions Deck (54):
1

abductor digiti minimi

abducts the 5th digit

2

abductor pollicis brevis

abducts thumb

3

abductor pollicis longus

abducts the thumb at carpometacarpal joint

4

adductor pollicis

adducts the thumb

5

anconeus

extends the forearm

6

biceps brachii

flexes the forearm, flexes arm (long head), supinates

7

brachialis

flexes the forearm

8

brachioradialis

flexes the elbow, assists in pronation & supination

9

coracobrachialis

flexes and adducts the arm

10

deltoid

abducts arm; anterior fibers flex & medially rotate the arm; posterior fibers extend & laterally rotate the arm

11

dorsal interosseous (hand)

flex the metacarpophalangeal joint, extend the proximal and distal interphalangeal joints of digits 2-4, abduct digits 2-4 (abduction of digits in the hand is defined as movement away from the midline of the 3rd digit)

12

extensor carpi radialis brevis

extends the wrist; abducts the hand

13

extensor carpi radialis longus

extends the wrist; abducts the hand

14

extensor carpi ulnaris

extends the wrist; adducts the hand

15

extensor digiti minimi

extends the metacarpophalangeal, proximal interphalangeal and distal interphalangeal joints of the 5th digit

16

extensor digitorum

extends the metacarpophalangeal, proximal interphalangeal and distal interphalangeal joints of the 2nd-5th digits; extends wrist

17

extensor indicis

extends the index finger at the metacarpophalangeal, proximal interphalangeal and distal interphalangeal joints

18

extensor pollicis brevis

extends the thumb at the metacarpophalangeal joint

19

extensor pollicis longus

extends the thumb at the interphalangeal joint

20

flexor carpi radialis

flexes the wrist, abducts the hand

21

flexor carpi ulnaris

flexes wrist, adducts hand

22

flexor digiti minimi brevis (hand)

flexes the carpometacarpal and metacarpophalangeal joints of the 5th digit

23

flexor digitorum profundus

flexes the metacarpophalangeal, proximal interphalangeal and distal interphalangeal joints

24

flexor digitorum superficialis

flexes the metacarpophalangeal and proximal interphalangeal joints

25

flexor pollicis brevis

flexes the carpometacarpal and metacarpophalangeal joints of the thumb

26

flexor pollicis longus

flexes the metacarpophalangeal and interphalangeal joints of the thumb

27

infraspinatus

laterally rotates the arm

28

interosseous, dorsal (hand)

flex the metacarpophalangeal joint, extend the proximal and distal interphalangeal joints of digits 2-4, abduct digits 2-4 (abduction of digits in the hand is defined as movement away from the midline of the 3rd digit)

29

interosseous, palmar

flexes the metacarpophalangeal, extends proximal and distal interphalangeal joints and adducts digits 1, 2, 4, & 5 (adduction of the digits of the hand is in reference to the midline of the 3rd digit)

30

latissimus dorsi

extends the arm and rotates the arm medially

31

levator scapulae

elevates the scapula

32

lumbrical

flex the metacarpophalangeal joints, extend the proximal and distal interphalangeal joints of digits 2-5

33

opponens digiti minimi

opposes the 5th digit

34

opponens pollicis

opposes the thumb

35

palmar interosseous

flexes the metacarpophalangeal, extends proximal and distal interphalangeal joints and adducts digits 1, 2, 4, & 5 (adduction of the digits of the hand is in reference to the midline of the 3rd digit)

36

palmaris brevis

draws the skin of the ulnar side of the hand toward the center of the palm

37

palmaris longus

flexes the wrist

38

pectoralis major

flexes and adducts the arm, medially rotates the arm

39

pectoralis minor

draws the scapula forward, medialward, and downward

40

pronator quadratus

pronates the forearm

41

pronator teres

pronates the forearm

42

rhomboideus major

retracts, elevates and rotates the scapula inferiorly

43

rhomboideus minor

retracts, elevates and rotates the scapula inferiorly

44

serratus anterior

it draws the scapula forward; the inferior fibers rotate the scapula superiorly

45

serratus posterior inferior

pulls down lower ribs

46

serratus posterior superior

elevates the upper ribs

47

subclavius

draws the clavicle (and hence the shoulder) down and forward

48

subscapularis

medially rotates the arm; assists extention of the arm

49

supinator

supinates the forearm

50

supraspinatus

abducts the arm (initiates abduction)

51

teres major

adducts the arm, medially rotates the arm, assists in arm extension

52

teres minor

laterally rotates the arm

53

trapezius

elevates and depresses the scapula (depending on which part of the muscle contracts); rotates the scapula superiorly; retracts scapula

54

triceps brachii

extends the forearm; the long head extends and adducts arm