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Regional Anatomy > Muscle of the neck > Flashcards

Muscle of the neck Flashcards

1
Q

Digastric: Anterior belly O

A

Inferior border of mandible

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2
Q

Digastric: Posterior belly O

A

Mastoid process

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3
Q

Digastric: I

A

Hyoid via common tendon (pulls mm down to hyoid)

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4
Q

Digastric: A

A

Retract mandible. Hyoid fixed: depress mandible. Mandible fixed: elevate hyoid.

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5
Q

Digastric: N

A

Trigeminal V

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6
Q

Suprahyoids are:

A

Digastric, geniohyoid, mylohyoid, stylohyoid

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7
Q

Geniohyoid: O

A

Inferior mental spines on inner pt of mandible. Deep to mylohyoid.

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8
Q

Geniohyoid: I

A

Body of hyoid

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9
Q

Geniohyoid: A

A

Elevate and protract hyoid, depress mandible

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10
Q

Geniohyoid: N

A

Hypoglossal XII

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11
Q

Mylohyoid: O

A

Mylohyoid line of mandible

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12
Q

Mylohyoid: I

A

Body of hyoid

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13
Q

Mylohyoid: A

A

Elevate hyoid, tongue and floor of mouth. Hyoid fixed: depress mandible

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14
Q

Mylohyoid: N

A

Mandibular branch of trigeminal V

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15
Q

Stylohyoid: O

A

Styloid process of temporal

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16
Q

Stylohyoid: I

A

Body of hyoid

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17
Q

Stylohyoid: A

A

Elevate and retract hyoid

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18
Q

Stylohyoid: N

A

Facial VII

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19
Q

Infrahyoids are:

A

Omohyoid, sternohyoid, sternothyroid, thyrohyoid

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20
Q

Omohyoid: Superior belly O

A

Intermediate tendon

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21
Q

Omohyoid: Inferior belly O

A

Superior border of scapula

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22
Q

Omohyoid: Superior belly I

A

Body of hyoid

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23
Q

Omohyoid: Inferior belly I

A

Medial clavicle via intermed. tendon (binds down to clavicle)

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24
Q

Omohyoid: A

A

Depress and retract hyoid

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25
Q

Omohyoid: N

A

Ansa cervicalis (C1-C3) “U turn”

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26
Q

Sternohyoid: O

A

Medial clavicle and manubrium (upper sternum)

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27
Q

Sternohyoid: I

A

Inferior border of hyoid body

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28
Q

Sternohyoid: A

A

Depress hyoid

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29
Q

Sternohyoid: N

A

Ansa cervicalis (C1-C3)

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30
Q

Sternothyroid: O

A

Posterior pt of manubrium

31
Q

Sternothyroid: I

A

Oblique line of thyroid cartilage

32
Q

Sternothyroid: A

A

Depress thyroid cartilage

33
Q

Sternothyroid: N

A

Hypoglossal XII

34
Q

Thyrohyoid: O

A

Oblique line of thyroid cartilage

35
Q

Thyrohyoid: I

A

Greater horn of hyoid

36
Q

Thyrohyoid: A

A

Depress hyoid and elevate thyroid cartilage

37
Q

Thyrohyoid: N

A

Hypoglossal XII

38
Q

Rectus capitis anterior: O

A

TVP of C1

39
Q

Rectus capitis anterior: I

A

Jugular process of occiput

40
Q

Rectus capitis anterior: A

A

Flexion of head (tip chin)

41
Q

Rectus capitis anterior: N

A

Anterior primary rami spinal (C1-C2)

42
Q

Longus capitis: O

A

Anterior tubercles of TVP C3-C6

43
Q

Longus capitis: I

A

Basilar part of occipital bone

44
Q

Longus capitis: A

A

Flex head and c/s

45
Q

Longus capitis: N

A

Cervical plexus, ant. primary rami C1-C4

46
Q

Longus Coli: 3 parts. Superior oblique pt: O

A

Anterior tubercles TVP C3-C5

47
Q

Longus Coli: 3 parts. Superior oblique pt: I

A

Anterior arch of C1

48
Q

Longus Coli: 3 parts. Vertical pt: O

A

Anterior surface of bodies C5-C7, T1-T3

49
Q

Longus Coli: 3 parts. Vertical pt: I

A

Anterior surface of bodies C2-C4

50
Q

Longus Coli: 3 parts. Inferior oblique pt: O

A

Anterior surface of bodies T1-T3

51
Q

Longus Coli: 3 parts. Inferior oblique pt: I

A

Anterior tubercles of TVP C5-C6

52
Q

Longus coli: A for all

A

flex head and neck.

53
Q

Longus Coli: A unilat for oblique and vertical

A

Oblique: Ipsilat lat flex head and neck. Vertical: contralat rotation

54
Q

Longus Coli: N

A

Cervical and brachial plexus (C2-C7)

55
Q

Anterior scalene: O

A

Anterior tubercles of TVPs C3-C6

56
Q

Anterior scalene: I

A

Medial pt of first rib

57
Q

Anterior scalene: A

A

Bilat: flex neck, elevate 1st rib.
Unilat: ipsilat lat flex and contralat rotate

58
Q

Anterior scalene: N

A

Ventral rami of cervical N (C4-C6)

59
Q

Middle scalene: O

A

Posterior tubercles of TVPs C2-C7

60
Q

Middle scalene: I

A

Superior pt of 1st rib

61
Q

Middle scalene: A

A

Bilat: flex neck, elevate 1st rib
Unilat: ipsilateral lat. flex and contralat rotation of neck

62
Q

Middle scalene: N

A

Ventral rami of cervical N (C4-C8)

63
Q

Posterior scalene: O

A

Posterior tubercles of TVPs c4-c6

64
Q

Posterior scalene: I

A

Lateral 2nd rib

65
Q

Posterior scalene: A

A

Bilat: elevate 2nd rib, stabilize base of neck
Unilat: ipsilat lat flex and contralat rotation of neck

66
Q

Posterior scalene: N

A

Ventral rami of cervical N (c6-c8)

67
Q

SCM: O

A

Sternal head: manubrium

Clavicular head: superior pt of medial ⅓ of clavicle

68
Q

SCM: I

A

Mastoid process and lateral ½ of superior nuchal line

69
Q

SCM: A

A

Bilat: Flex neck, helps with inspiration
Unilat: Ipsilat lat flex, contralat rotation

70
Q

SCM: N

A

Accessory nerve ( C2-C3)

71
Q

Platysma: O

A

Fascia covering superior portions of pec major and deltoid mm

72
Q

Platysma: I

A

Lower margin of mandible, mm of jaw and mouth

73
Q

Platysma: A

A

Depress mandible, tense skin on neck

74
Q

Platysma: N

A

Facial VII

Regional Anatomy (11 decks)

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