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OIA > Head Neck Thorax And Spine > Flashcards

Head Neck Thorax And Spine Flashcards

1
Q

Sternocleidomastoid Action

A

Bilaterally: Flexes head against resistance, neck flexion, extension at A-O joint, accessory muscle for respiration
Unilaterally: Ipsilateral sidebend with contralateral rotation of face

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2
Q

Sternocleidomastoid Origin

A

Sternal Head: Manubrium, Clavicular head: upper medial 1/3 of clavicle

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3
Q

Sternocleidomastoid Insertion

A

Lateral Surface of Mastoid Process and Lateral 1/2 of Superior Nuchal Line

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4
Q

Sternocleidomastoid Innervation

A

CN XI (Motor); C2-C3 (Sensory)

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5
Q

Anterior, Middle and Posterior Scalenes Action

A

Ipsilateral side bending of cervical vertebra
Elevates first and second rib during inspiration

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6
Q

Scalene Anterior Origin

A

Transverse Process C3-C6

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7
Q

Scalene Middle Origin

A

Posterior Tubercles Transverse Process C2-C7

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8
Q

Scalene Posterior Origin

A

Posterior Tubercles of Transverse Process C4-C6

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9
Q

Anterior Scalene Insertion

A

1st Rib

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10
Q

Middle Scalene Insertion

A

Superior Surface of 1st Rib

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11
Q

Posterior Scalene Insertion

A

2nd Rib

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12
Q

Anterior Scalene Innervation

A

C4-C6 Ventral Rami

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13
Q

Middle Scalene Innervation

A

C3-C8 Ventral Rami

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14
Q

Posterior Scalene Innervation

A

C7-C8 Ventral Rami

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15
Q

Levator Scapulae Action

A

Elevates Scapula
Downward Rotation of Scapula with Pec Minor

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16
Q

Levator Scapulae Origin

A

Transverse Process of Vertabrae C1-C4

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17
Q

Levator Scapulae Insertion

A

Medial Border of Scapula and Above Spine

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18
Q

Levator Scapulae Innervation

A

C3-C4 Ventral Rami; C5 Ventral Rami from dorsal scapular

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19
Q

Temporalis Action

A

Elevation of mandible to close mouth and teeth
Retract Mandible

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20
Q

Temporalis Origin

A

Temporal Fossa and deep temporal fascia

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21
Q

Temporalis Insertion

A

Apex, anterior, and posterior border of coronoid process of mandible and anterior border of ramus of mandible

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22
Q

Temporalis Innervation

A

CN V

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23
Q

Masseter Action

A

Powerful Elevator of Mandible

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24
Q

Masseter Origin

A

Inferior Border and Medial Surface of Zygomatic Arch

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25
Q

Lateral Pterygoid (2 Heads) Action

A

Chief Protractor, Depresses Mandible

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26
Q

Lateral Pterygoid Origin

A

Upper-infratemporal surface and crest of greater wing of sphenoid.
Lower Lat surface of lat Pterygoid plate

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27
Q

Lateral Pterygoid Insertion

A

Anterior aspect of mandibular neck, articular capsule and TMJ disc

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28
Q

Lateral Pterygoid Innervation

A

Mandibular Branch (V3) of CN V

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29
Q

Medial Pterygoid Action

A

Elevates Mandible
Protraction of Mandible

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30
Q

Medial Pterygoid Origin

A

Medial surface of lat pterygoid plate and palatine bone and tuberosity of Maxilla

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31
Q

Medial Pterygoid Insertion

A

Medial Surface of Mandibular Angle

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32
Q

Medial Pterygoid Innervation

A

Mandibular Branch (V3) of CN V

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33
Q

External Intercostals Action

A

Elevates the Rib

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34
Q

External Intercostals Origin

A

From Lower Margins of Ribs 1-11, fibers pass down and forwards

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35
Q

External Intercostals Insertion

A

To Upper Margins of Rib Below

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36
Q

External Intercostals Innervation

A

Corresponding Intercostal Nerves (T1-T11)

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37
Q

Internal Intercostals Action

A

Depress the Rib, muscle of Expiration

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38
Q

Internal Intercostals Origin

A

Lower Margins of Ribs and costal cartilages, and floor of costal groove

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39
Q

Internal Intercostals Insertion

A

Upper Margins of Subadjacent Ribs and Costal Cartilages

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40
Q

Internal Intercostals Innervation

A

Corresponding Intercostals Nerve (T1-T11)

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41
Q

Innermost Intercostals Action

A

Depresses the Rib, Muscle of Expiration

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42
Q

Innermost Intercostals Origin

A

From Internal Aspects of Adjoining Rib

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43
Q

Innermost Intercostals Insertion

A

Fibers run in same direction as internal intercostal muscles but not full length of rib. Upper and Lower Borders of Rib

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44
Q

Innermost Intercostals Innervation

A

Corresponding Intercostal Nerve (T1-T11)

45
Q

External Oblique Action

A

(Along will all other abdominal muscles) Increase Intra-abdominal pressure, hence resist downward pressure of diaphragm during straining and coughing
R side bending with R IO, Trunk Flexion and L rotation with R EO and L IO

46
Q

External Oblique Origin

A

External Surface of Lower 8 Ribs

47
Q

External Oblique Insertion

A

External Lip of Iliac Crest, Pubic Tubercle and Línea Alba

48
Q

External Oblique Innervation

A

Thoracoabdominal Nerves (T7-T11) and Subcostal Nerves

49
Q

Internal Oblique Action

A

Resist Downward pressure of diaphragm, during straining and coughing
R side bending with R IO, trunk flexion and L rotation with R EO and L IO

50
Q

Internal Oblique Origin

A

Thoracolumbar fascia, iliac crest, lateral 1/2 of inguinal ligament

51
Q

Internal Oblique Insertion

A

Up towards lower 3 ribs and costal margins, línea alba and down toward pubis via conjoint tendon

52
Q

Internal Oblique Innervation

A

Lower 2-3 Thoracoabdominal nerves (T7-T11) Subcostal Nerves and L1 Ventral Ramus

53
Q

Transverse Abdominus Action

A

Increase Intra-abdominal pressure, resist downward pressure of diaphragm during straining and coughing

54
Q

Transverse Abdominus Origin

A

Fascia Iliaca, Iliac Crest, thoracolumbar fascia, and inner surfaces of lower 6 costal cartilages. Lateral 1/3 of inguinal ligament

55
Q

Transverse Abdominus Insertion

A

Aponeurosis that contribute to rectus sheath and outbid via conjoint tendon

56
Q

Transverse Abdominus Innervation

A

Thoracoabdominal Nerves (T7-T12) and Subcostal Nerve, and L1 Ventral Ramus

57
Q

Rectus Abdominus Action

A

Increase Intra-abdominal pressure hence resist downward pressure of the diaphragm during straining and coughing
Flex Lumbar Vertebral Column if pelvis fixed
If thorax is fixed they flex lumbar vertebral column and draw pelvis up

58
Q

Rectus Abdominus Origin

A

Xiphoid Process of Sternum and Costal Cartilages 5-7

59
Q

Rectus Abominus Insertion

A

Pubic Crest and Symphysis

60
Q

Rectus Abdominus Innervation

A

Thoracoabdominal Nerves (T7-T11) and Subcostal Nerve

61
Q

Diaphragm Action

A

Primary Muscle of Inspiration
During Contraction diaphragm descends and draws central tendon down; volume of thorax is increased and intrathoracic pressure decreased

62
Q

Diaphragm Origin

A

Sternal from post aspect of Xiphoid process
Costal- from inner surfaces of lower 6 costal cartilages and lower 4 ribs
Lumbar- from bodies of upper lumbar vertebrae and fibrous arches (Med and Lat arcuate ligaments)

63
Q

Diaphragm Insertion

A

Central Tendon of Diaphragm

64
Q

Diaphragm Innervation

A

Phrenic Nerve (C3, 4, 5)

65
Q

Serratus Posterior Superior Action

A

Elevate Ribs

66
Q

Serratus Posterior Superior Origin

A

Nuchal Ligament, Spinous Process of C7-T3

67
Q

Serratus Posterior Superior Insertion

A

Superior Borders of Ribs 2-4

68
Q

Serratus Posterior Superior Innervation

A

Intercostal Nerves T2-T5

69
Q

Serratus Posterior Inferior Action

A

Depress Ribs

70
Q

Serratus Posterior Inferior Origin

A

Spinous Processes of T11-L2

71
Q

Serratus Posterior Inferior Insertion

A

To Inferior Borders of Ribs 8-12 near angles

72
Q

Serratus Posterior Inferior Innervation

A

Intercostal Nerves T9-T11 and Subcostal Nerve

73
Q

Iliocostalis Lumborum Action

A

Extension and Lateral Flexion of Vertebral Column

74
Q

Iliocostalis Lumborum Origin

A

Median Sacral Crest; T11-12, L1 Spines and Ligaments, dorsal ilium; lateral aspect

75
Q

Iliocostalis Lumborum Insertion

A

Inferior Borders of Lower 6 or 7 Costal angles

76
Q

Iliocostalis Lumborum Innervation

A

Thoracic and Lumbar Dorsal Rami

77
Q

Iliocostalis Thoracis Action

A

Extension and Lateral Flexion of Vertebral Column

78
Q

Iliocostalis Thoracis Origin

A

From Upper Borders of Lower Costal Angles

79
Q

Iliocostalis Thoracis Insertion

A

To the Superior borders of the upper costal angles and the back of the C7 transverse process

80
Q

Iliocostalis Thoracis Innervation

A

Thoracic Dorsal Rami

81
Q

Iliocostalis Cervicis Action

A

Extension and Lateral Flexion of Vertebral Column

82
Q

Iliocostalis Cervicis Origin

A

From the 3rd-6th Costal Angles

83
Q

Iliocostalis Cervicis Insertion

A

To the posterior tubercles of C4-C6 transverse process

84
Q

Iliocostalis Cervicis Innervation

A

Cervical Dorsal Rami

85
Q

Longissimus Thoracis Action

A

Extend and Sidebend Vertebral Column

86
Q

Longissimus Thoracis Origin

A

Common Distal Attachment, Sacrum, Iliac Crest, spinous process of lumbar vertebrae, and transverse process of lower thoracic vertebrae

87
Q

Longissimus Thoracis Insertion

A

Tips of all Thoracic transverse Process and Lower 9 or 10 ribs between tubercles and angles

88
Q

Longissimus Thoracis Innervation

A

Thoracic Dorsal Rami

89
Q

Longissimus Cervicis Action

A

Extend and Sidebend Vertebral Column

90
Q

Longissimus Cervicis Origin

A

From long tendons attached from T1-T4 or T5 transverse processes and lower 3 or 4 Cervical Articular Processes

91
Q

Longissimus Cervicis Insertion

A

C2-C6 Transverse Process Posterior Tubercles

92
Q

Longissimus Cervicis Innervation

A

Thoracic and Cervical Dorsal Rami

93
Q

Longissimus Capitis Action

A

Extend Head and Rotate Face to Same Side

94
Q

Longissimus Capitis Origin

A

T1-T4 OR T5 transverse processes and lower 3 or 4 cervical articular processes

95
Q

Longissimus Capitis Insertion

A

Posterior Margin of Mastoid Process

96
Q

Longissimus Capitis Innervation

A

Thoracic and Cervical Dorsal Rami

97
Q

Spinalis Thoracis Action

A

Extend Vertebral Column

98
Q

Spinalis Thoracis Origin

A

T11-L2 Spines

99
Q

Spinalis Thoracis Insertion

A

T4-T8 Spines

100
Q

Spinalis Thoracis Innervation

A

Thoracic and Cervical Dorsal Rami

101
Q

Spinalis Cervicis Action

A

Inconstant Extend the Vertebral Column

102
Q

Spinalis Cervicis Origin

A

Lower Ligamentum Nuchae, C7 Spine

103
Q

Spinalis Cervicis Insertion

A

Spine of C2

104
Q

Spinalis Cervicis Innervation

A

Cervical Dorsal Rami

105
Q

Spinalis Capitis Action

A

Extend Vertebral Column

106
Q

Spinalis Capitis Origin

A

Blended with Semispinalis Capitis

107
Q

Spinalis Capitis Innervation

A

Cervical Dorsal Rami

108
Q

Masseter Insertion

A

Angle and Lateral aspect of ramus of mandible

109
Q

Masseter Innervation

A

Mandibular (V3) Branch of CN V

OIA (3 decks)

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