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Forensic Anatomy > Muscles of Neck > Flashcards

Muscles of Neck Flashcards

1
Q

Name muscle A.

A

Mylohyoid muscle

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2
Q

Name muscle B.

A

Sternohyoid

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3
Q

Name muscle C.

A

Omohyoid

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4
Q

Name muscle D.

A

Sternothyroid

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5
Q

Name muscle E.

A

Sternocleidomastoid

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6
Q

Name muscle F.

A

Thyrohyoid

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7
Q

Name muscle A.

A

Stylohyoid

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8
Q

Name muscle B.

A

Mylohyoid

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9
Q

Name muscle C.

A

Anterior belly of digastric muscle.

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10
Q

Name muscle D.

A

Thyrohyoid

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11
Q

Name muscle E.

A

Anterior scalene

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12
Q

Name muscle F.

A

Middle scalene

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13
Q

Name muscle G.

A

Posterior scalene

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14
Q

Name muscle H.

A

Sternocleidomastoid

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15
Q

Name muscle I.

A

Posterior belly of digastric muscle.

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16
Q

What is the origin of the mylohyoid muscle?

A

Mylohyoid line of mandible

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17
Q

What is the insertion of the mylohyoid muscle?

A

Mylohyoid raphe and body of hyoid bone.

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18
Q

What is the action of the mylohyoid muscle?

A

Elevates floor of mouth.

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19
Q

Describe the innervation of the mylohyoid muscle.

A

Nerve to mylohyoid muscle (CN V3)

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20
Q

Describe the blood supply to the mylohyoid muscle

A

Sublingual and submental arteries, suprahyoid branch of lingual artery; mylohyoid and mental branches of inferior alveolar artery

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21
Q

What is the insertion of the sternohyoid muscle?

A

Inferior border of body of hyoid bone.

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22
Q

What is the origin of the sternohyoid muscle

A

Sternal end of clavicle and posterior surface of manubrium of sternum

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23
Q

Describe the action of the sternohyoid muscle

A

Depresses hyoid bone

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24
Q

Describe the innervation of the sternohyoid muscle

A

Ansa cervicalis (C1-C3) from anterior rami of cervical plexus

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25
Q

Describe the blood supply of the sternohyoid muscle

A

Infrahyoid branch of superior thyroid artery

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26
Q

Describe the origin of the inferior belly of the omohyoid muscle.

A

Superior border of scapula, medial to superior scapular notch.

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27
Q

Describe the origin of the superior belly of the omohyoid muscle.

A

Intermediate tendon

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28
Q

Describe the insertion of the inferior belly of the omohyoid muscle.

A

Intermediate tendon

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29
Q

Describe the insertion of the superior belly of the omohyoid muscle.

A

Body of hyoid bone.

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30
Q

Describe the action of the omohyoid musce

A

Depresses hyoid bone

31
Q

Describe the innervation of the inferior belly of the omohyoid muscle.

A

ansa cervicalis (C1-C3)

32
Q

Describe the innervation of the superior belly of the omohyoid muscle.

A

Ansa cervicalis (C1)

33
Q

Describe the arterial supply of the omohyoid muscle.

A

Infrahyoid branch of superior thyroid artery.

34
Q

Describe the origin of the sternothyroid muscle.

A

Posterior surface of manubrium of sternum and costal cartilage of first rib

35
Q

Describe the insertion of the sternothyroid muscle.

A

Oblique line of thyroid cartilage of larynx.

36
Q

Describe the action of the sternothyroid muscle.

A

Depresses larynx

37
Q

Describe the innervation of the sternothyroid muscle.

A

Ansa cervicalis (C1-C3), from anterior rami of cervical plexus

38
Q

Describe the blood supply to the sternothyroid muscle.

A

Infrahyoid branch of superior thyroid artery

39
Q

Describe the origin of the thyrohyoid muscle

A

Oblique line of thyroid cartilage

40
Q

Describe the insertion of the thyrohyoid muscle

A

Inferior aspects of body of greater horn of hyoid bone

41
Q

Describe the action of the thyrohyoid muscle.

A

Depresses hyoid bone; elevates larynx

42
Q

Describe the innervation of the thyrohyoid bone.

A

Branch of anterior rami of C1 which accompanies hypoglossal nerve.

43
Q

Describe the blood supply to the thyrohyoid muscle.

A

Infrahyoid branch of superior thyroid artery.

44
Q

Describe the origin of the stylohyoid muscle.

A

Styloid process of temporal bone

45
Q

Describe the insertion of the stylo hyoid muscle.

A

Body of hyoid bone

46
Q

Describe the action of the sylohyoid muscle.

A

Elevates hyoid bone

47
Q

Describe the innervation of the stylohyoid muscle.

A

Stylohyoid branch of facial nerve

48
Q

Describe the blood supply to the stylohyoid muscle.

A

Facial, posterior auricular and occipital arteries

49
Q

Describe the origin of the anterior belly of the digastric muscle.

A

Digastric fossa of mandible

50
Q

Describe the insertion of the anterior belly of the digastric muscle.

A

Intermediate tendon of digastric muscle

51
Q

Describe the action of the anterior belly of the digastric muscle.

A

Depresses mandible and elevates hyoid bone/

52
Q

Describe the innervation of the anterior belly of the digastric muscle

A

Digastric branch of nerve to mylohyoid muscle

53
Q

Describe the blood supply to the anterior belly of the digastric muscle.

A

Submental artery

54
Q

Describe the origin of the anterior scalene muscle.

A

Anterior tubercles of transverse processes of C3-C6 vertebrae.

55
Q

Describe the insertion of the anterior scalene muscle.

A

Scalene tubercle of first rib.

56
Q

Describe the action of the anterior scalene muscle.

A

Flexes, rotates and laterally flexes the neck;
elevates first rib

57
Q

Describe the innervation of the anterior scalene muscle.

A

Anterior rami of fourth to sixth cervical nerves.

58
Q

Describe the blood supply to the anterior scalene muscle.

A

Ascending cervical artery

59
Q

Describe the origin of the middle scalene muscle.

A

Transverse processes of C2-C7 vertebrae.

60
Q

Describe the insertion of the middle scalene muscle.

A

Superior surface of first rib.

61
Q

Describe the action of the middle scalene muscle.

A

Laterally flexes neck;
elevates first rib.

62
Q

Describe the innervation of the the middle scalene muscle.

A

Anterior rami of third to eighth cervical nerves.

63
Q

Describe the blood supply to the middle scalene muscle.

A

Ascending cervical artery.

64
Q

Describe the origin of the posterior scalene muscle.

A

Posterior tubercles of transverse processes of C4-C6 vertebrae.

65
Q

Describe the insertion of the posterior scalene muscle

A

External surface of second rib.

66
Q

Describe the action of the posterior scalene muscle.

A

Laterally flexes neck;
elevates second rib

67
Q

Describe the innervation of the posterior scalene muscle

A

Anterior rami of fourth to sixth cervical vertebrae

68
Q

Describe the blood supply to the posterior scalene muscle

A

Ascending cervical artery

69
Q

Describe the origin of the posterior belly of digastric muscle.

A

Mastoid notch of temporal bone

70
Q

Describe the insertion of the posterior belly of digastric muscle

A

Intermediate tendon of digastric muscle.

71
Q

Describe the action of the posterior belly of digastric muscle.

A

Depresses mandible;
elevates hyoid bone

72
Q

Describe the innervation of the posterior belly of digastric muscle.

A

Digastric branch of facial nerve.

73
Q

Describe the blood supply to the posterior belly of digastric muscle.

A

Posterior auricular and occipital arteries.

74
Q
A

Forensic Anatomy (46 decks)

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