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Anatomy > Back And Suboccipital Muscles > Flashcards

Back And Suboccipital Muscles Flashcards

1
Q

Origin of the serratus posterior superior?

A

Spinous processes of C7-T3

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2
Q

Insertion of the serratus posterior superior?

A

Superior border of ribs 2-5

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3
Q

Action of the serratus posterior superior?

A

Elevated ribs during respiration

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4
Q

Origin of the serratus posterior inferior?

A

Spinous processes of T11-L2

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5
Q

Insertion of the serratus posterior inferior?

A

Superior border of ribs 8-12

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6
Q

Action of the serratus posterior inferior?

A

Depressed ribs during respiration

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7
Q

Origin of the splenius (capitis & cervicis)

A

Capitis: ligamentum nuchae
Cervicis: spinous processes of T3-T6

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8
Q

Insertion of the Splenius (capitis & cervicis)

A

Capitis: mastoid process, nuchal line
Cervicis: transverse processes of C1-C4

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9
Q

Action of Splenius (Capitis & Cervicis)

A

Bilateral: head and neck extension
Unilateral: Lateral flexion, Ipsilateral rotation of head and neck

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10
Q

Origin of Iliocostalis

A

Sacrum, iliac crests, and lumbar spinous processes

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11
Q

Insertion of the Iliocostalis

A

Angles of ribs

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12
Q

Action of the Iliocostalis

A

Bilateral: Extension of head and spine
Unilateral: Lateral flexion of spine

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13
Q

Origin of Longissimus

A

Sacrum, iliac crests, and lumbar spinous processes

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14
Q

Insertion of Longissimus

A

Thoracic and cervical transverse processes

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15
Q

Action of Longgisimus

A

Bilateral: Extension of head and spine
Unilateral: Lateral flexion of spine

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16
Q

Origin of spinalis

A

Sacrum, iliac crests, and lumbar spinous processes

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17
Q

Insertion of the spinalis

A

Thoracic spinous processes

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18
Q

Action of spinalis

A

Bilateral: Extension of head and spine
Unilateral: Lateral flexion of spine

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19
Q

Origin of semispinalis

A

Transverse processes of C4-T12

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20
Q

Insertion of semispinalis

A

Occipital bone, spinous process of adjacent superior vertebrae

21
Q

Action of the semispinalis

A

Bilateral: Extension of spine
Unilateral: Contralateral rotation of spine

22
Q

Origin of the Multifidus

A

Sacrum, ilium, transverse processes of vertebrae

23
Q

Insertion of the Multifidus

A

Spinous processes of adjacent superior vertebrae

24
Q

Action of the Multifidus

A

Bilateral: Extension of spine
Unilateral: Contralateral rotation of spine

25
Q

Origin of Rotatores

A

Transverse processes

26
Q

Insertion of Rotatores

A

Spinous processes of adjacent superior vertebrae

27
Q

Action of Rotatores

A

Bilateral: Extension of spine
Unilateral: Contralateral rotation of spine

28
Q

Origin of Levatores Costarum

A

Transverse processes of C7-T11

29
Q

Insertion of Levatores Costarum

A

Rib below vertebrae of origin, near rib’s tubercle

30
Q

Action of Levatores Costarum

A

Elevate ribs

31
Q

Origin of Interspinales

A

Run between spinous processes of contiguous vertebrae

32
Q

Insertion of interspinales

A

Run between spinous processes of contiguous vertebrae

33
Q

Action of Interspinales

A

Weak extension of spine

34
Q

Origin of Intertransversarii

A

Run between transverse processes of contiguous vertebrae

35
Q

Insertion of Intertransversarii

A

Run between transverse processes of contiguous vertebrae

36
Q

Action of Intertransversarii

A

Weak lateral flexion of spine

37
Q

Origin of Obliquus capitis inferior

A

Spinous process of axis (C2)

38
Q

Insertion of Obliquus capitis inferior

A

Transverse proceess of atlas (C1)

39
Q

Action of Obliquus capitis inferior

A

Bilateral: Extension of head at atlantoocciplital joint
Unilateral: Ipsilateral rotation of heat at atlantoaxial joint

40
Q

Origin of Rectus capitis posterior major

A

Spinous processes of axis (C2)

41
Q

Insertion of Rectus capitis posterior major

A

Occipital bone on lateral part of inferior nuchal line

42
Q

Action of Rectus capitis posterior major

A

Bilateral: Extension of heat at atlantooccipital joint
Unilateral: Ipsilateral rotation of head at atlantoaxial joint

43
Q

Origin of Rectus Captitis posterior minor

A

Posterior tubercle of atlas (C1)

44
Q

Insertion of Rectus capitis posterior minor

A

Occipital bone on medial part of inferior nuchal line

45
Q

Action of Rectus capitis posterior minor

A

Bilateral: Extension of head at atlantooccipital joint
Unilateral: Ipsilateral rotation of head at atlantoaxial joint

46
Q

Origin of Obliquus capitis superior

A

Transverse process of atlas (C1)

47
Q

Insertion of Obliquus capitis superior

A

Occipital bone between superior and inferior nuchal lines

48
Q

Action of Obliquus capitis superior

A

Bilateral: Extension of head at atlantooccipital joint
Unilateral: Ipsilateral rotation of head at atlantoaxial joint

Anatomy (8 decks)

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