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Anatomy PTH5422 > UE Muscles > Flashcards

UE Muscles Flashcards

Upper Extremity Muscle Actions, Innervations Shoulder Muscles Arm/Forearm Muscles

1
Q

suprascapular nerve innervation

A

supraspinatus

infraspinatus

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2
Q

Axillary nerve innervates

A

Teres minor
Deltoid

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3
Q

Subscapular nerve innervates

A

subscapularis (upper and lower)
Teres Major - (lower)

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4
Q

Pectoral nerve innervates

A

Pectoralis Major - (Medial & Lateral)
Pectoralis Minor - (Medial)

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5
Q

subclavius innervates

A

subclavius

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6
Q

Long Thoracic innervates

A

serratus anterior

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7
Q

muscles that ABD arm

A

supraspinatus
Middle Deltoid

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8
Q

muscles that laterally rotate arm

A

Teres Minor
Infraspinatus
Posterior Deltoid

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9
Q

muscles that medially rotate arm

A

Subscapularis
Pectoralis Major
Teres Major
Anterior Deltoid

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10
Q

muscles that stabilize scapula

A

Pectoralis minor

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11
Q

muscles that anchor/depress clavicle

A

subclavius

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12
Q

Muscles that protract, rotate, & fix scapula to body wall

A

serratus anterior

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13
Q

Muscles that extend arm

A

Posterior deltoid

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14
Q

Muscles that ADD arm

A

Pectoralis Major
Teres Major

Coracobrachialis
Long Head of Triceps Brachii

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15
Q

Muscles that Flex arm

A

Anterior Deltoid

Coracobrachialis

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16
Q

Muscles that flex forearm

A

Brachialis
Biceps Brachii
Pronator Teres
Brachioradialis

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17
Q

Muscles that supinate the forearm

A

Biceps Brachii
Supinator

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18
Q

Muscles that Extend Forearm

A

Triceps Brachii

Anconeus (assist triceps)

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19
Q

Muscles that pronate forearm

A

Pronator Teres

Pronator Quadratus

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20
Q

Muscles that flex hand at wrist

A

Palmaris Longus

Flexor Carpi Radialis

Flexor Carpi Ulnaris

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21
Q

Muscles that ABD Hand

A

Extensor Carpi Radialis Longus/Brevis (Synergist) with Flexor Carpi Radialis

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22
Q

Muscles that ADD Hand

A

Flexor Carpi Ulnaris (Synergist) with Extensor Carpi Ulnaris

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23
Q

Muscles that Flex Proximal and Middle Phalanges

A

Flexor Digitorum Superficialis

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24
Q

Muscles that Flex Distal Phalanges

A

Flexor Digitorum Profundus (#2-5)

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25
Q

Muscles that Flex Thumb

A

Flexor Pollicis Longus

Flexor Pollicis Brevis

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26
Q

Muscles that Extend Hand at Wrist

A

Extensor Carpi Radialis Longus

Extensor Carpi Ulnaris

27
Q

Muscles that Extend Digits

A

Extensor Digitorum (#2-5)

Extensor Digiti Minimi

28
Q

Muscles that Extend Thumb

A

Abductor Pollicis Longus

Extensor Pollicis Longus

Extensor Pollicis Brevis

29
Q

Muscles that Extend Index Finger

A

Extensor Indicis

30
Q

Musculocutaneous Innervates:

A

Coracobrachialis

Brachialis

Biceps Brachii

31
Q

Radial N. Innervates:

A

Triceps Brachii

Anconeus

Brachioradialis

Extensor Carpi Radialis Longus

Extensor Carpi Radialis Brevis

Extensor Digitorum

Extensor Digiti Minimi

Extensor Carpi Ulnaris

32
Q

Median N. Innervates:

A

Pronator Teres

Palmaris Longus

Flexor Carpi Radialis

Flexor Digitorum Superficialis

Flexor Digitorum Profundus (Lateral half: digits #2-3)

Flexor Pollicis Longus

Pronator Quadratus

Abductor Pollicis Brevis

Opponens Pollicis

Flexor Pollicis Brevis

Lumbricals #1-2

33
Q

Ulnar N. Innervates:

A

Flexor Carpi Ulnaris

Flexor Digitorum Profundus (Medial half: Digits #4-5)

Flexor Pollicis Brevis

Adductor Pollicis

Abductor Digiti Minimi

Flexor Digiti Minimi Brevis

Opponens Digiti Minimi

Palmaris Brevis

Lumbricals #3-4

Dorsal Interossei

Palmar Interossei

34
Q

Ventral Rami N. Innervates:

A

Trapezius

Latissimus Dorsi

Rhomboid Major

Rhomboid Minor

Levator Scapulae

Serratus Posterior Superior/Inferior

Intertransversarii

35
Q

Dorsal Rami N. Innervates:

A

Splenius Capitis

Splenius Cervicis

Iliocostalis

Longissimus

Spinalis

Semispinales

Multifidus

Rotatores

Interspinales

Rectus Capitis Posterior Major/Minor

Obliquus Capitis Superior/Inferior

36
Q

Muscles that Elevate, retract, and rotate scapula superiorly

37
Q

Muscles that extends, ADD, and medially rotates humerus

A

Latissimus Dorsi

38
Q

Muscles that retract, rotate, and fix scapula to body wall

A

Rhomboid Major

Rhomboid Minor

39
Q

Muscles that elevate, inferiorly rotate scapula

A

Levator Scapulae

40
Q

Muscles that Elevate Ribs

A

Serratus Posterior Superior

41
Q

Muscles that Depress Ribs

A

Serratus Posterior Inferior

42
Q

Muscles that are accessory to respiration & proprioception

A

Serratus Posterior Superior

Serratus Posterior Inferior

43
Q

Muscles with bilateral action: extension of head and unilateral action: ipsilateral flexion and rotation of head

A

Splenius Capitis

Splenius Cervicis

44
Q

Muscles with bilateral action: extend vertebral column and neck and unilateral action: ipsilateral flexion and rotation

A

Iliocostalis

Longissimus

Spinalis

45
Q

Muscles that extend head/neck and vertebral column; stabilize and control rotation of vertebral column

A

Semispinales

Multifidus

46
Q

Muscles that contralateral rotation and stabilization of vertebral column

47
Q

Muscles that extend vertebral column

A

Interspinales

Intertransversarii

48
Q

Muscles that rotate vertebral column

A

Interspinales

49
Q

Muscles with ipsilateral flexion of vertebral column

A

Intertransversarii

50
Q

Muscles with bilateral action: extension at atlanto-occipital joint and unilateral action: ipsilateral rotation at joint

A

Rectus Capitis Posterior Major

Rectus Capitis Posterior Minor

51
Q

Muscles that extend head

A

Obliquus Capitis Superior

Obliquus Capitis Inferior

52
Q

Muscles with ipsilateral lateral flexion of head

A

Obliquus Capitis Superior

53
Q

Muscles with ipsilateral rotation of head

A

Obliquus Capitis Inferior

54
Q

Muscles that ABD Thumb

A

Abductor Pollicis Brevis

55
Q

Muscles that ADD thumb

A

Adductor Pollicis

56
Q

Opposition of thumb Muscles

A

Opponens Pollicis

57
Q

Muscles that ABD Digit #5

A

Flexor Digiti Minimi Brevis

58
Q

Opposition of Digit #5 Muscles

A

Opponens Digiti Minimi

59
Q

Muscles that Corrugates Skin of Palm

A

Palmaris Brevis

60
Q

Muscles that Extend Fingers at IP Joints

A

Lumbricals #1-4

61
Q

Muscles that Flex MCP Joints

A

Lumbricals #1-4

62
Q

Muscles that ABD Fingers from center

A

Dorsal Interossei

63
Q

Muscles that ADD fingers

A

Palmar Interossei

64
Q

Muscles that Assist Lumbricals

A

Dorsal Interossei

Palmar Interossei

Anatomy PTH5422 (11 decks)

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