Suboccipital Muscles Flashcards

1
Q

The suboccipital muscles are the 4 small muscles deep to which larger muscle?

A

SEMISPINALIS CAPITIS

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2
Q

Name the 4 suboccipital muscles?

A
RECTUS CAPITIS POSTERIOR MAJOR
\+
RECTUS CAPITIS POSTERIOR MINOR
\+
OBLIQUUS CAPITIS INFERIOR
\+
OBLIQUUS CAPITIS SUPERIOR
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3
Q

Name the inferior attachment of rectus capitis posterior major?

A

SP of C2

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4
Q

Name the superior attachment of rectus capitis posterior major (and minor)?

A

INFERIOR NUCHAL LINE

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5
Q

Name 2 the actions of rectus capitis posterior major?

A

UNILATERAL CONTRACTION: IPSILATERAL ROTATION OF THE HEAD ON NECK
+
BILATERAL CONTRACTION: EXTEND THE HEAD ON THE NECK

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6
Q

Name the suboccipital muscle which attaches to dura mater on the brain?

A

RECTUS CAPITIS POSTERIOR MINOR

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7
Q

What is the inferior attachment of rectus capitis posterior minor?

A

POSTERIOR ARCH OF C1

POSTERIOR TUBERCLE

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8
Q

Name the superior attachment of rectus capitis posterior minor (and major)?

A

INFERIOR NUCHAL LINE

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9
Q

What is the sole action (bilateral contraction) of rectus capitis posterior minor?

A

EXTEND THE HEAD ON THE NECK

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10
Q

Name the suboccipital muscle which can be related to headaches?

A

RECTUS CAPITIS POSTERIOR MINOR

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11
Q

Name the suboccipital muscle which is mainly posture related?

A

OBLIQUUS CAPITIS INFERIOR

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12
Q

Name the inferior attachment of obliquus capitis inferior?

*** Same as rectus capitis posterior major

A

SP of C2

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13
Q

Name the superior attachment of obliquus capitis inferior?

A

TVP of C1

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14
Q

What is the sole action (unilateral contraction) of obliquus capitis inferior?

A

IPSILATERAL ROTATION OF THE HEAD

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15
Q

What is the inferior attachment of obliquus capitis superior?

A

TVP of C1

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16
Q

What is the superior attachment of obliquus capitis superior?

A

BETWEEN SUPERIOR AND INFERIOR NUCHAL LINES

17
Q

Name the 2 actions of obliquus capitis superior?

A

UNILATERAL CONTRACTION: LATERAL FLEXION OF THE HEAD ON NECK
+
BILATERAL CONTRACTION: EXTEND THE HEAD ON THE NECK

18
Q

Name the unilateral contraction action of rectus capitis posterior major?

A

IPSILATERAL ROTATION OF THE HEAD ON NECK

19
Q

Name the unilateral contraction action of obliquus capitis superior?

A

LATERAL FLEXION OF THE HEAD ON NECK

20
Q

Describe the looking reflex?

A

HEAD FOLLOWS WHERE EYES LOOK