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PHTH 511: Anatomy > Spine OIIA's > Flashcards

Spine OIIA's Flashcards

1
Q

Origin: Rectus capitis posterior major

A

Spinous process of C2

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2
Q

Insertion: Rectus capitis posterior major

A

Lateral portion of occipital below inferior nuchal line

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3
Q

Innervation: Rectus capitis posterior major

A

C1 spinal nerve

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4
Q

Action: Rectus capitis posterior major

A

Extension of head & rotation

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5
Q

Origin: Rectus capitis posterior minor

A

Posterior tubercle of C1

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6
Q

Insertion: Rectus capitis posterior minor

A

Medial portion of occipital below inferior nuchal line & dura mater

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7
Q

Innervation: Rectus capitis posterior minor

A

C1 spinal nerve

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8
Q

Action: Rectus capitis posterior minor

A

-Extension of head
-Pulls dura mater out of the way so that CSF can flow freely between spinal cord and brain

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9
Q

Origin: Obliquus capitis superior

A

Transverse process of C1

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10
Q

Insertion: Obliquus capitis superior

A

Occipital between superior & inferior nuchal line

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11
Q

Innervation: Obliquus capitis superior

A

C1 spinal nerve

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12
Q

Action: Obliquus capitis superior

A

Extends the head

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13
Q

Origin: Obliquus capitis inferior

A

Spinous processes of C2

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14
Q

Insertion: Obliquus capitis inferior

A

Transverse processes of C1

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15
Q

Innervation: Obliquus capitis inferior

A

C1 spinal nerve

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16
Q

Action: Obliquus capitis inferior

A

Rotation of head

17
Q

Origin: Serratus posterior superior

A

Ligamentum nuchae

18
Q

Insertion: Serratus posterior superior

A

Upper border of ribs 2-5

19
Q

Innervation: Serratus posterior superior

A

Intercostal nerves (t1-T5)

20
Q

Action: Serratus posterior superior

A

Elevates ribs 2-5 while inhaling

21
Q

Origin: Serratus posterior inferior

A

Spinous processes of T11-L3 & supraspinous ligaments

22
Q

Insertion: Serratus posterior inferior

A

Lower borders of ribs 9-12

23
Q

Innervation: Serratus posterior inferior

A

Intercostal nerves (T9-T12)

24
Q

Action: Serratus posterior inferior

A

Depresses ribs 9-12 while exhaling

PHTH 511: Anatomy (9 decks)

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