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Anatomy > UE Muscle Action > Flashcards

UE Muscle Action Flashcards

0
Q

Trapezius (middle fibers)

A

Elevate scapula

Upward rotate scapula

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1
Q

Trapezius (upper fibers)

A

Extend head

Extend cervical vertebral column

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2
Q

Trapezius (lower fibers)

A

Depress scapula

Downward rotate scapula

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3
Q

Latissimus dorsi

A 
Extend arm
Medially rotate arm
Depress scapula
Retract scapula
Downward rotate scapula
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4
Q

Rhomboideus major

A

Retract scapula
Downward rotate scapula
Elevate scapula

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5
Q

Rhomboideus minor

A

Retract scapula
Downward rotate scapula
Elevate scapula

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6
Q

Levator scapulae

A

Elevate scapula

Downward rotate scapula

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7
Q

Serratus anterior

A

Protract scapula
Assists in breathing
Prevents scapular winging

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8
Q

Teres major

A

Adduct arm
Extend arm
Medially rotate arm

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9
Q

Deltoid (clavicular head)

A

Abduct arm
Flex arm
Medially rotate arm

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10
Q

Deltoid (spinal head)

A

Abduct arm
Extend arm
Laterally rotate arm

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11
Q

Supraspinatus

A

Abduct arm

Support glenohumeral joint

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12
Q

Infraspinatus

A

Laterally rotate arm

Support glenohumeral joint

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13
Q

Teres minor

A 
Laterally rotate arm
Adduct arm (weak)
Support glenohumeral joint
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14
Q

Subscapularis

A

Medially rotate arm

Support glenohumeral joint

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15
Q

Pectoralis major (clavicular head)

A

Adduct arm
Medially rotate arm
Help flex an extended arm

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16
Q

Pectoralis major (sternocostal head)

A

Adduct arm
Medially rotate rm
Help extend a flexed arm

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17
Q

Coracobrachialis

A

Flex arm

Assist in adduction

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18
Q

Biceps brachii

A

Flex arm
Flex forearm
Supinate forearm

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19
Q

Brachialis

A

Flex forearm

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20
Q

Triceps brachii long head

A

Extend forearm

Extend arm

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21
Q

Triceps brachii medial head

A

Extend forearm

22
Q

Triceps brachii lateral head

A

Extend forearm

23
Q

Pronator teres

A

Pronate forearm

Flex elbow

24
Q

Flexor carpi radialis

A 
Flex wrist
Abduct hand (radial deviation)
Flex elbow (weak)
25
Q

Palmaris longus

A 
Flex wrist
Flex elbow (weak)
26
Q

Flexor digitorum superficialis

A 
Flex proximal interphalangeal joints
Flex metacarpophalangeal joints
Flex wrist
Flex elbow (weak)
27
Q

Pronator quadratus

A

Pronate forearm

28
Q

Flexor pollicis longus

A

Flex interphalangeal joint of pollux
Flex metacarpophalangeal joint of pollux
Flex wrist

29
Q

Flexor digitorum profundus

A

Flex distal interphalangeal joints
Flex proximal interphalangeal joints
Flex metacarpophalangeal joints
Flex wrist

30
Q

Flexor carpi ulnaris

A 
Flex wrist
Adduct hand (ulnar deviation)
Flex elbow (weak)
31
Q

Aconeus

A

Assist in elbow extension

32
Q

Brachioradialis

A

Elbow flexion

33
Q

Extensor carpi radialis longus

A 
Extend wrist
Abduct wrist (radial deviation)
34
Q

Extensor carpi radialis brevis

A 
Extend wrist
Abduct wrist (radial deviation)
35
Q

Extensor digitorum

A

Extend fingers

Extend wrist

36
Q

Extensor digit minimi

A

Extend digit 5

Extend wrist

37
Q

Extensor carpi ulnaris

A 
Extend wrist
Adduct wrist (ulnar deviation)
38
Q

Supinator

A

Supinate forearm

39
Q

Extensor indicis

A

Extend digit 2

Extend wrist

40
Q

Abductor pollicis longus

A

Abduct thumb

41
Q

Extensor pollicis brevis

A

Extend thumb at metacarpophalangeal joint

42
Q

Extensor pollicis longus

A

Extend thumb at metacarpophalangeal joint and interphalangeal joint

43
Q

Abductor pollicis brevis

A

Abduct thumb

Assist in flexion of thumb

44
Q

Flexor pollicis brevis

A

Flex thumb

45
Q

Opponens pollicis

A

Opposition

46
Q

Abductor digiti minimi

A

Abduct 5th digit

47
Q

Flexor digiti minimi

A

Flex 5th digit metacarpophalangeal joint

48
Q

Opponens digiti minimi

A

Opposition of 5th digit

49
Q

Palmaris brevis

A

Wrinkles skin on ulnar side of palm

“Cupping” of hand

50
Q

Lumbercals

A

Flex metacarpophalangeal joints

Extend proximal and distal interphalangeal joints

51
Q

Dorsal interossei

A

Abduct digits 2, 3, 4

Assists in flexing digits 2,3,4

52
Q

Palmar interossei

A

Adduct digits 2,4,5

Assist in flexing metacarpophalangeal joints of digits 2,4,5

53
Q

Adductor pollicis

A

Addict thumb

Assist in opposition

Anatomy (30 decks)

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