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Muscles O,I&A's > Neck muscles > Flashcards

Neck muscles Flashcards

1
Q

Insertion of Splenius Capitis

A

Mastoid process and lateral end of superior nuchal line

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2
Q

Action of Rectus Capitis Posterior Minor

A

Extends head

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3
Q

Insertion of Rectus Capitis Posterior Minor

A

Medial inferior nuchal line

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4
Q

Origin of Rectus Capitis Posterior Minor

A

Posterior tubercle of atlast (C1)

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5
Q

Action of Rectus Capitis Poterior Major

A

Extends head, rotates head to same side

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6
Q

Insertion of Rectus Capitis Posterior Major

A

Inferior nuchal line

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7
Q

Action of Obliquus Capitis Superior

A

Extends head, rotates head to same side

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8
Q

Origin of Rectus Capitis Posterior Major

A

SP of axis (C2)

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9
Q

Insertion of Obliquus Capitis Superior

A

Occipital bone above inferior nuchal line

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10
Q

Origin of Obliquus Capitis Superior

A

TVPS of atlas (C1)

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11
Q

Action of Obliquus Capitis Inferior

A

Rotates head to same side

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12
Q

Insertion of Obliquus Capitis Inferior

A

TVPs of atlas (C1)

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13
Q

Origin of Obliquus Capitis Inferior

A

SP of axis (C2)

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14
Q

What muscles make up the Suboccipitals

A

Obliquus Capitis Inferior
Obliquus Capitis Superior
Rectus Capitis Posterior Major
Rectus Capitis Posterior Minor

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15
Q

Action of Splenius Cervicis

A

Extends and laterally bends neck and head, rotates head to the same side

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16
Q

Insertion of Splenius Cervicis

A

Posterior tubercles of TVPS’s C1-C3

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17
Q

Origin of Splenius Cervicis

A

Nuchal ligament and SP’s of C7-T6

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18
Q

Action of Splenius Capitis

A

Extends and laterally bends the neck and head, rotates head to same side

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19
Q

Origin of Splenius Capitis

A

Nuchal ligament and SP’s of C7-T6

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20
Q

Origin of Platysma

A

Fascia overlying the pectoralis major and deltoid muscles

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21
Q

Insertion of Platysma

A

Inferior border of the mandible and skin of lower face

22
Q

Origin of Sternocleidomastoid (SCM)

A

Sternal head ; Anterior surface of manubrium
Clavicular head; Medial 1/3 of the clavicle

23
Q

Insertion of SCM

A

Mastoid process and lateral 1/2 of the superior nuchal line.

24
Q

Action of SCM

A

Draws mastoid process down and toward same side which causes the chin to turn towards the opposite side
Acting together the muscles of the 2 side flex the neck

25
Q

Origin of Levator Scapulae

A

TVP’s of C1-4

26
Q

Insertion of Levator Scapulae

A

Medial border of the scapula from the superior angle to the spine

27
Q

Action of Levator Scapulae

A

Elevates scapula

28
Q

Origin of Longus Capitis

A

Anterior tubercles of C3-6

29
Q

Insertion of Longus Capitis

A

Basilar portion of occipital bone

30
Q

Action of Longus Capitis

A

Flex the head and neck

31
Q

Origin of Longus Colli

A

Anterior tubercles and anterior surfaces of the bodies of C3-T3

32
Q

Insertion of Longus Colli

A

Anterior arch of atlas
Anterior tubercles of C5-6
Anterior surfaces of bodies C2-4

33
Q

Action of Longus Colli

A

Flexes neck, rotates and laterally bends neck

34
Q

Origin of Rectus Capitis Anterior

A

Lateral mass of atlas

35
Q

Insertion of Rectus Capitis Anterior

A

Basilar portion of occipital bone

36
Q

Action of Rectus Capitis Anterior

A

Flexes the head

37
Q

Origin of Rectus Capitis Lateralis

A

TVP of atlas

38
Q

Insertion of Rectus Capitis Lateralis

A

Occipital bone anterolateral to foramen magnum

39
Q

Action of Rectus Capitis Lateralis

A

Laterally bends the head

40
Q

Origin of Anterior Scalene

A

Anterior tubercles of TVPs of C3-6

41
Q

Insertion of Anterior Scalene

A

Scalene tubercle of 1st rib

42
Q

Action of Anterior Scalene

A

Elevates 1st rub
Flexes and laterally bends the neck

43
Q

Origin of Middle Scalane

A

Posterior tubercles of TVPs of C2-7

44
Q

Insertion of Middle Scalene

A

Upper surface of 1st rib behind subclavian artery

45
Q

Action of Middle Scalene

A

Elevates 1st rib
Flexes & laterally bends the neck

46
Q

Origin of Posterior Scalene

A

Posterior tubercle of the TVPs of C5-7

47
Q

Insertion of Posterior Scalene

A

Lateral surface of 2nd rib

48
Q

Action of Posterior Scalene

A

Elevates 2nd rib
Flexes and laterally bends the neck

49
Q

Origin of Semispinalis

A

TVP’s of C7-T12

50
Q

Insertion of Semispinalis

A

Capitis ; back of skull between nuchal line
Cervcis & thoracis : SP’s of 4-6 vertebrae above origin

51
Q

Action of Semispinals

A

Extends and laterally bends the trunk and rotates trunk to opposite side

Muscles O,I&A's (27 decks)

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