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Anatomy Lab Exam 3 > Superior Muscles > Flashcards

Superior Muscles Flashcards

0
Q

Platysma

A

Depresses lower lip

Depresses angle of the mouth

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1
Q

Adductor pollicis

A

Adducts digit 1

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2
Q

Omohyoid

A

Depresses hyoid

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3
Q

Sternohyoid

A

Depresses hyoid

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4
Q

Sternothyroid

A

Depresses larynx

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5
Q

Internal Intercostals

A

Depresses ribs during forced exhalation

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6
Q

Subclavius

A

Depresses clavicle

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7
Q

Transversus thoracis

A

Depresses ribs during exhalation (weak)

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8
Q

Occipitofrontalis

A

Elevates eyebrows

Retracts the scalp

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9
Q

Zygomaticus major

A

Elevates angle of the mouth

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10
Q

Zygomaticus minor

A

Elevates upper lip

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11
Q

Temporalis

A

Elevates mandible

Retracts mandible

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12
Q

Masseter

A

Elevates mandible

Protracts mandible

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13
Q

External Intercostals

A

Elevates ribs during inhalation

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14
Q

Scalene muscles

A

Elevates ribs 1 - 2 during forced inspiration

Laterally flexes neck

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15
Q

Levator scapulae

A

Elevates scapula

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16
Q

Orbicularis Oculi

A

Closes eyelids (blinking)

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17
Q

Orbicularis oris

A

Closes lips

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18
Q

Rhomboid minor

A

Retracts scapula

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19
Q

Rhomboid major

A

Retracts scapula

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20
Q

Pronator teres

A

Probated forearm

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21
Q

Pronator quadratus

A

Pronation forearm

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22
Q

Rectus Abdominis

A

Flexes vertebral column

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23
Q

Biceps brachii

A

Flexes elbow

Supinates forearm

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24
Q

Brachialis

A

Flexes elbow

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25
Q

Palmaris Longus

A

Flexes wrist

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26
Q

Flexor digitorum superficialis

A

Flexes digits 2-5

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27
Q

Flexor digitorum profundus

A

Flexes digits 2-5

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28
Q

Flexor pollicis Longus

A

Flexes digit 1

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29
Q

Flexor pollicis brevis

A

Flexes digit 1

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30
Q

Supraspinatus

A

Abducts shoulder

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31
Q

Abductor pollicis Longus

A

Abducts digit 1

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32
Q

Abductor pollicis brevis

A

Abducts digit 1?

33
Q

Abductor digiti minimi

A

Abducts digit 5

34
Q

Extensor digiti minimi

A

Extends digit 5

35
Q

Triceps brachii

A

Extends elbow

36
Q

Anconeus

A

Extends elbow

37
Q

Extensor pollicis brevis

A

Extends digit 1

38
Q

Extensor pollicis Longus

A

Extends digit 1

39
Q

Extensor digitorum

A

Extends digits 2-5

40
Q

Extensor indicis

A

Extends digit 2

41
Q

Splenius capitis

A

Bilateral - extends neck

Unilateral - laterally flexes neck and rotates head to same side

42
Q

Semispinalis capitis

A

Bilateral - extends neck

Unilateral - rotates head to opposite side

43
Q

Sternocleidomastoid

A

Bilateral - flexes neck

Unilateral - rotates head to opposite side

44
Q

External oblique

A

Bilateral - flexes vertebral column

Unilateral - rotates vertebral column

45
Q

Internal oblique

A

Bilateral - flexes vertebral column

Unilateral - rotates vertebral column

46
Q

Erector spinae

A

Bilateral - extends neck and vertebral column

Unilateral. - laterally flexes and rotates vertebral column

47
Q

Multifidus

A

Bilateral - extends vertebral column

Unilateral - laterally flexes and rotates vertebral column

48
Q

Serratus anterior

A

Protracts scapula

49
Q

Pectoralis minor

A

Protracts scapula

50
Q

Epidermis

A

Physical barrier for protection of underlying structures

51
Q

Dermis

A

Protect against trauma

Contains appendages of skin

52
Q

Dermal papilla

A

Forms ridges on fingers

Fingerprints

53
Q

Hypodermis

A

Separates skin from deep fascia

A.k.a. Subcutaneous layer and superficial layer

54
Q

Hair follicle

A

Decrease heat loss

55
Q

Arrector pilli muscle

A

Hair follicles become erect when the body is under stress

Goosebumps

56
Q

Sweat (sudoriferous) gland

A

Produces sweat in response to heat or stress

57
Q

Oil (sebaceous ) gland

A

Not found in skin of palms or soles of foot

58
Q

Epicranial aponeurosis

A

Sheet-like tendon connecting the anterior and posterior muscle bellies of the occipitofrontalis

59
Q

Thyrohyoid

A

Elevates larynx

Depresses hyoid

60
Q

Digastric

A

Depresses mandible

Elevates hyoid

61
Q

Rectus sheath

A

Formed by the aponeurosis of the abdominal wall

62
Q

Pectoralis major

A

Flexes shoulder
Adducts shoulder
Medially rotates shoulder

63
Q

Trapezius

A

Elevates scapula
Protracts scapula
Depresses scapula

64
Q

Latissimus Dorsi

A

Adducts shoulder
Extends shoulder
Medially rotates shoulder

65
Q

Deltoid

A

Flexes shoulder
Abducts shoulder
Extends shoulder

66
Q

Infraspinatus

A

Laterally rotates shoulder

67
Q

Teres minor

A

Laterally rotates shoulder

68
Q

Subscapularis

A

Medially rotates shoulder

69
Q

Teres major

A

Adducts shoulder
Extends shoulder
Medially rotates shoulder

70
Q

Coracobrachialis

A

Flexes shoulder

Adducts shoulder

71
Q

Flexor carpi radialis

A

Flexes wrist

Radial deviation (abduction) of wrist

72
Q

Flexor carpi ulnaris

A

Flexes wrist

Ulnar deviation (adduction) of wrist

73
Q

Brachioradialis

A

Flexes elbow

Pronates forearm

Supinates forearm

74
Q

Extensor carpi radialis Longus

A

Extends wrist

Radial deviation (abduction) of wrist

75
Q

Extensor carpi radialis brevis

A

Extends wrist

Radial deviation (abduction) of wrist

76
Q

Extensor carpi ulnaris

A

Extends wrist

Ulnar deviation (adduction) of wrist

77
Q

Lumbricals

A

Flexes digits 2-5

Extends digits 2-5

78
Q

Diaphragm

A

Increases thoracic cavity dimension during inspiration

79
Q

Buccinator

A

Compresses cheeks

80
Q

Transverse Abdominis

A

Compresses anterior abdominal wall

81
Q

Supinator

A

Supinates forearm

Anatomy Lab Exam 3 (2 decks)

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