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Muscles 1 > Cervical Spine, Thorax and Facial Muscles OP1 > Flashcards

Cervical Spine, Thorax and Facial Muscles OP1 Flashcards

1
Q

Action of Sternocleidomastoid

A

Unilaterally:
•Laterally flex head and neck to same side
•Rotate head and neck to the opposite side
Bilaterally:
•Flex neck
•Assist to elevate the rib cage during inhalation

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2
Q

Origin of Sternocleidomastoid

A

Sternal Head:
•Top of Manubrium
Clavicular Head:
• Medial 1/3 of clavical

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3
Q

Insertion of Sternocleidomastoid

A

Mastoid process of temporal bone and lateral portion of superior nuchal line

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4
Q

Action of Splenius Capitis

A

Unilaterally:
•Rotate head and neck to same side
•Laterally flex head and neck to same side
Bilaterally:
•Extend head and neck

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5
Q

Origin of Splenius Capitis

A

Inferior half of ligamentum nuchae and SP of C7-T4

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6
Q

Insertion of Splenius Capitis

A

Mastoid process and lateral portion of superior nuchal line

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7
Q

Action of Splenius Cervicis

A

Unilaterally:
•Rotate the head and neck same side
•Laterally flex head and neck to same side

Bilaterally:
•Extend head and next

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8
Q

Origin of Splenius Cervicis

A

SP of T3-T6

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9
Q

Insertion of Splenius Cervicis

A

TVP of C1-C3

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10
Q

Action of Rectus Capitis Posterior Major

A

Rock and tilt head back into extension

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11
Q

Origin of Rectus Capitis Posterior Major

A

SP of C2

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12
Q

Insertion of Rectus Capitis Posterior Major

A

Inferior nuchal line

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13
Q

Action of Rectus Capitis Posterior Minor

A

Rock and tilt head back into extension

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14
Q

Origin of Rectus Capitis Posterior Minor

A

Tubercle of posterior arch of the atlas C1

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15
Q

Insertion of Rectus Capitis Posterior Minor

A

Inferior nuchal line

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16
Q

Action of Oblique Capitis Superior

A

Rock and tilt head back into extension
Laterally flex head to same side

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17
Q

Origin of Oblique Capitis Superior

A

TVP of C1

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18
Q

Insertion of Oblique Capitis Superior

A

Between nuchal lines

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19
Q

Action of Oblique Capitis Inferior

A

Rotate head to same side
Laterally flex head to same side

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20
Q

Origin of Oblique Capitis Inferior

A

SP of C2

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21
Q

Insertion of Oblique Capitis Inferior

A

TVP of C1

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22
Q

Action of Anterior Scalene

A

Unilaterally:
•with ribs fixed, laterally flex head and neck to same side
•Rotate head and neck to opposite side

Bilaterally:
•Elevate ribs for inhalation
•Flex head and neck

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23
Q

Origin of Anterior Scalene

A

TVP of C3-C6

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24
Q

Insertion of Anterior Scalene

A

1st rib

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25
Q

Action of Middle Scalene

A

Unilaterally:
•with ribs fixed, laterally flex head and neck to same side
•Rotate head and neck to opposite side

Bilaterally:
•Elevate the ribs during inhalation

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26
Q

Origin of Middle Scalene

A

TVP of C2-C7

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27
Q

Insertion of Middle Scalene

A

1st Rib

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28
Q

Insertion of Middle Scalene

A

1st Rib

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29
Q

Action of Posterior Scalene

A

Unilaterally:
~With ribs fixed, lateral flex head and neck to same side
~Rotate head and neck to opposite side

Bilaterally:
~Elevate ribs during inhalation

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30
Q

Origin of Posterior Scalene

A

TVP of C6 and C7

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31
Q

Insertion of Posterior Scalene

A

2nd Rib

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32
Q

Action of Semispinalis Capitis

A

Extend vertebral column and head

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33
Q

Origin of Semispinalis Capitis

A

TVP of C4-T5

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34
Q

Insertion of Semispinalis Capitis

A

Between superior and inferior nuchal lines

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35
Q

Action of Multifidi

A

Unilaterally:
~Rotate vertebral column to opposite side
Bilaterally:
~Extend vertebral column

36
Q

Origin of Multifidi

A

Sacrum and TVP of lumbar to cervical vertebrae

37
Q

Insertion of Multifidi

A

SP of lumbar vertebrae thru 2nd cervical vertebra

38
Q

Action of Rotatores

A

Unilaterally:
~Rotate vertebral column to opposite side
Bilaterally:
~Extend the vertebral Column

39
Q

Origin of Rotatores

A

TVP C2-L5

40
Q

Insertion of Rotatores

A

SP of lumbar vertebrae to C2

41
Q

Action of Erector Spine Group

A

Unilaterally:
~Laterally flex vertebral column to same side
Bilaterally:
~extend vertebral column

42
Q

Origin of Longissimus

A

Common Tendon (thoracic)
TVP of T1-T5 (cervicis and Capitis)

43
Q

Insertion of Longissimus

A

Lower 9 ribs, TVP of thoracic Verts
TVP of cervicals
mastoid process

44
Q

Action of Iliocostalis

A

Unilaterally:
~lat flex vert col to same side
Bilaterally:
~extend the vert col

45
Q

Origin of Iliocostalis

A

Common tendon
posterior surface of ribs 1-12

46
Q

Insertion of Iliocostalis

A

TVP L1-L3, C4,C7 and post surface of ribs 1-12

47
Q

Origin of Spinalis

A

SP of upper lumbar and lower thoracic
lig nuchae SP C7

48
Q

Insertion of Spinalis

A

SP upper thoracic
SP of C2-C7

49
Q

Action of Intertransversarii

A

Unilaterally:
~Lat flex the vert col to same side
Bilaterally:
~Extend vert col

50
Q

Origin/Insertion of Intertransversarii

A

TVP C2-C7
TVP L1-L5

51
Q

Action of Interspinalis

A

Extend vert col

52
Q

Origin/Insertion of Interspinalis

A

SP C2-T3
SP T12-L5

53
Q

Action of diaphragm

A

draw down central tendon of diaphragm
increase volume of thoracic cavity during inhalation

54
Q

Origin of Diaphragm

A

Costal - inner surface of Rib 7-12
Lumbar - Upper 2-3 lumbar vert
Sternal - Inner part of xiphoid process

55
Q

Insertion of Diaphragm

A

Central tendon

56
Q

Action of Serratus Anterior

A

Fixed origin:
~Abduct scap
~upwardly rotate scap
~Depress scap
~hold medial border of scap against rib cage
Scap Fixed:
~May act to elevate the thorax during forced inhalation

57
Q

Origin of Serratus Anterior

A

ext surface of 8-9 upper ribs

58
Q

Insertion of Serratus Anterior

A

ant surface of medial border of scapula

59
Q

Action of Masseter

A

elevate mandible

60
Q

Origin of Masseter

A

zygomatic arch

61
Q

Insertion of Masseter

A

Angle of ramus of mandible

62
Q

Action of Temporalis

A

elevate mandible
retract the mandible

63
Q

origin of Temporalis

A

temporal fossa and fascia

64
Q

Insertion of Temporalis

A

coronoid process and anterior edge of ramus of mandible

65
Q

Action of digastric

A

hyoid fixed - depress the mandible
mandible fixed - elevate the hyoid bone
retract the mandible

66
Q

origin of digastric

A

mastoid process

67
Q

insertion of digastric

A

inferior border of the mandible

68
Q

action of Geniohyoid

A

elevate hyoid and tongue
depress mandible

69
Q

origin of geniohyoid

A

underside of mandible

70
Q

insertion of geniohyoid

A

hyoid bone

71
Q

action of omohyoid

A

depress hyoid and thyroid cartilage

72
Q

origin of omohyoid

A

superior border of the scapula

73
Q

insertion of omohyoid

A

hyoid bone

74
Q

action of mylohyoid

A

elevate hyoid and tongue
depress mandible

75
Q

origin of mylohyoid

A

underside of mandible

76
Q

insertion of mylohyoid

A

hyoid bone

77
Q

action of sternohyoid

A

depress hyoid and thyroid cartilage

78
Q

origin of sternohyoid

A

top of manubrium

79
Q

insertion of sternohyoid

A

hyoid bone

80
Q

action of sternothyroid

A

depress hyoid and thyroid cartilage

81
Q

origin of sternothyroid

A

top of manubrium

82
Q

insertion of sternothyroid

A

thyroid cartilage

83
Q

action of thyrohyoid

A

depress hyoid and thyroid cartliage

84
Q

origin of thyrohyoid

A

thyroid cartilage

85
Q
A

Muscles 1 (4 decks)

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