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Clinical Anatomy 1 - Thorax, Head and Neck > Anterolateral Neck Muscles (Distinguish Anterior muscles for LOs) > Flashcards

Anterolateral Neck Muscles (Distinguish Anterior muscles for LOs) Flashcards

1
Q

Anterior digastric (Suprahyoid) - Attachments

A

FROM
*digastric fossa of the mandible

TO
*the intermediate tendon (greater cornu of hyoid) (inferior border of mandible near symphysis to intermediate tendon & body and cornu of hyoid)

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2
Q

Anterior digastric (Suprahyoid) - Actions

A

*depression of the mandible
OR
*elevation of the hyoid

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3
Q

Anterior digastric (Suprahyoid) - Innervation

A

mylohyoid branch of the inferior alveolar n. (from CN V3)

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4
Q

Posterior digastric (Suprahyoid) - Attachments

A

FROM
*temporal mastoid notch

TO
*intermediate tendon (greater cornu of hyoid) (mastoid process to intermediate tendon & body and cornu of hyoid)

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5
Q

Posterior digastric (Suprahyoid) - Actions

A

*depression of the mandible
OR
*elevation of the hyoid

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6
Q

Posterior digastric (Suprahyoid) - Innervation

A

Facial n. (CN VII)

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7
Q

Mylohyoid (Suprahyoid) - Attachments

A

FROM
*mylohyoid line of the mandible

TO
*midline raphe
*anterior aspect of body of the hyoid

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8
Q

Mylohyoid (Suprahyoid) - Actions

A

elevation of the floor of the oral cavity

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9
Q

Mylohyoid (Suprahyoid) - Innervation

A

mylohyoid branch of the inferior alveolar n. (from CN V3)

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10
Q

Geniohyoid (Suprahyoid) - Attachments

A

FROM
*inferior genial tubercle of the mandible

TO
*anterior aspect of the body of the hyoid (median ridge of mandible to body of hyoid)

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11
Q

Geniohyoid (Suprahyoid) - Actions

A

*elevation of tongue and hyoid
OR
*depresses mandible

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12
Q

Geniohyoid (Suprahyoid) - Innervation

A

ventral ramus of C1 via CN XII

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13
Q

Stylohyoid (Suprahyoid) - Attachments

A

FROM
*styloid process of temporal bone

TO
*body of hyoid bone

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14
Q

Stylohyoid (Suprahyoid) - Actions

A

elevation & retraction of the hyoid

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15
Q

Stylohyoid (Suprahyoid) - Innervation

A

Facial n. (CN VII)

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16
Q

Omohyoid (Infrahyoid) - Attachments

A

There are both superior and inferior bellies that form cervical triangles

FROM
*superior border of the scapula medial to the scapular notch

TO
*lateral aspect of the hyoid passing through an intermediate tendon sling loosely associated with the clavicle & 1st rib

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17
Q

Omohyoid (Infrahyoid) - Actions

A

depression of the hyoid

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18
Q

Omohyoid (Infrahyoid) - Innervation

A

ansa cervicalis (C1-3)

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19
Q

Sternohyoid (Infrahyoid) - Attachments

A

FROM
*posterior side of the proximal clavicle & adjacent manubrium

TO
*inferior border of body of the hyoid

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20
Q

Sternohyoid (Infrahyoid) - Actions

A

depresses the hyoid

21
Q

Sternohyoid (Infrahyoid) - Innervation

A

ansa cervicalis (C1-3)

22
Q

Sternothyroid (Infrahyoid) - Attachments

A

FROM
*posterior aspect of the manubrium & costal cartilage of 1st rib

TO
*thyroid lamina

23
Q

Sternothyroid (Infrahyoid) - Actions

A

depression of the elevated larynx

24
Q

Sternothyroid (Infrahyoid) - Innervation

A

ansa cervicalis (C1-3)

25
Q

Thyrohyoid (Infrahyoid) - Attachments

A

FROM
*thyroid lamina

TO
*greater horn of the hyoid bone

26
Q

Thyrohyoid (Infrahyoid) - Actions

A

*depression of the hyoid
OR
*elevation of the thyroid cartilage

27
Q

Thyrohyoid (Infrahyoid) - Innervation

A

ventral ramus of C1 via XII

28
Q

Longus capitis - Attachments

A

FROM
*anterior tubercles of the transverse processes of cervical vertebrae

TO
*basilar occipital bone

29
Q

Longus capitis - Actions

A

flexion of the head & neck (bilateral) ipsilateral rotation (unilateral)

30
Q

Longus capitis - Innervation

A

ventral rami of cervical spinal n. (C1-3)

31
Q

Longus colli (L. neck) - Attachments

A

FROM
*cervical vertebral bodies

TO
*cervical vertebral bodies
*transverse processes

32
Q

Longus colli (L. neck) - Actions

A

flexion, lateral flexion of the neck and ipsilateral rotation

33
Q

Longus colli (L. neck) - Innervation

A

ventral rami of cervical spinal n. (C2-7)

34
Q

Anterior scalene - Attachments

A

FROM
*anterior tubercles of middle cervical vertebrae

TO
*scalene tubercle of the 1st rib

35
Q

Anterior scalene - Actions

A

*elevation of 1st rib (during forced inspiration)
*flexion, lateral flexion, & contralateral rotation of the neck

36
Q

Anterior scalene - Innervation

A

lower ventral rami of cervical spinal n.

37
Q

Middle scalene - Attachments

A

FROM
*transverse processes of cervical vertebrae

TO
*1st rib

38
Q

Middle scalene - Actions

A

*elevation of 1st rib (during forced inspiration)
*lateral flexion
*contralateral rotation of the neck

39
Q

Middle scalene - Innervation

A

lower ventral rami of cervical spinal n.

40
Q

Posterior scalene - Attachments

A

FROM
*lower cervical transverse processes

TO
*2nd rib

41
Q

Posterior scalene - Actions

A

*elevation of the rib (during forced inspiration)
*lateral flexion
*contralateral rotation of the neck

42
Q

Posterior scalene - Innervation

A

ventral rami of cervical spinal n. (C6-8)

43
Q

Sternocleidomastoid - Attachments

A

FROM
*lateral aspect of the mastoid process
*superior nuchal line

TO
*manubrium
*medial 1/3rd of the clavicle

44
Q

Sternocleidomastoid - Actions

A

*flexion, ipsilateral lateral flexion, and extension of the head & neck
*contralateral rotation of the head

45
Q

Sternocleidomastoid - Innervation

A

accessory n & C1,2

46
Q

Cricothyroid - Attachments

A

FROM
*cricoid cartilage

TO
*thyroid cartilage

47
Q

Cricothyroid - Actions

A

tension and elongation of the vocal folds

48
Q

Cricothyroid - Innervation

A

external laryngeal n. (CN X)

Clinical Anatomy 1 - Thorax, Head and Neck (10 decks)

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