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Clinical Anatomy I > Anterolateral Neck Muscles > Flashcards

Anterolateral Neck Muscles Flashcards

1
Q

Anterior Digastric (attachments)

A

digastric fossa of mandible to intermediate tendon (great cornu of hyoid)

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2
Q

Anterior Digastric (action)

A

depresses mandible or elevates hyoid

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3
Q

Anterior Digastric (innervation)

A

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

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4
Q

Posterior Digastric (attachment)

A

temporalmastoid notch to intermediate tendon (great cornu of hyoid)

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5
Q

Posterior Digastric (action)

A

depresses mandible or elevates hyoid

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6
Q

Posterior Digastric (innervation)

A

facial n.

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7
Q

Geniohyoid (attachments)

A

inferior genial tubercle of mandible to anterior aspect of body of hyoid (median ridge of mandible to body of hyoid)

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8
Q

Geniohyoid (action)

A

elevation of tongue & hyoid or depresses mandible

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9
Q

Geniohyoid (innervation)

A

ventral ramus of C1 via CN XII

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10
Q

Longus Capitis (attachments)

A

anterior tubercles of transverse processes of cervical vertebrae to basilar occipital bone

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11
Q

Longus Capitis (action)

A

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

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12
Q

Longus Capitis (innervation)

A

ventral rami of cervical spinal n.

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13
Q

Longus Colli (attachments)

A

cervical vertebral bodies to cervical vertebral bodies & transverse processes

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14
Q

Longus Colli (action)

A

flexion, lateral flexion of neck & ipsilateral rotation

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15
Q

Longus Colli (innervation)

A

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

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16
Q

Mylohyoid (attachments)

A

mylohyoid line of mandible to midline raphe & anterior aspect of body of hyoid

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17
Q

Mylohyoid (action)

A

elevation of oral cavity floor

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18
Q

Mylohyoid (innervation)

A

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

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19
Q

Omohyoid (attachments)

A

superior border of scapula medial to to scapular notch to lateral aspect of hyoid passing through an intermediate tendon sling loosely associated w/ clavicle & 1st rib

20
Q

Omohyoid (action)

A

depression of hyoid

21
Q

Omohyoid (innervation)

A

ansa cervicalis (C1-3)

22
Q

Anterior Scalene (attachments)

A

anterior tubercles of middle cervical vertebrae to scalene tubercle of 1st rib

23
Q

Anterior Scalene (action)

A

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

24
Q

Anterior Scalene (innervation)

A

lower ventral rami of cervical spinal n.

25
Q

Middle Scalene (attachments)

A

transverse processes of cervical vertebrae to 1st rib

26
Q

Middle Scalene (action)

A

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

27
Q

Middle Scalene (innervation)

A

lower ventral rami of cervical spinal n.

28
Q

Posterior Scalene (attachments)

A

lower cervical transverse processes to 2nd rib

29
Q

Posterior Scalene (action)

A

elevates rib (during forced inspiration), lateral flexion & contralateral rotation of neck

30
Q

Posterior Scalene (innervation)

A

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

31
Q

Sternocleidomastoid (attachments)

A

lateral aspect of mastoid process & superior nuchal line to manubrium & medial 1/3rd of clavicle

32
Q

Sternocleidomastoid (action)

A

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

33
Q

Sternocleidomastoid (innervation)

A

accessory n., C1 & 2

34
Q

Sternohyoid (attachments)

A

posterior side of proximal clavicle & adjacent manubrium to inferior border of body of hyoid

35
Q

Sternohyoid (action)

A

depresses hyoid

36
Q

Sternohyoid (innervation)

A

ansa cervicalis (C1-3)

37
Q

Sternothyroid (attachments)

A

posterior aspect of manubrium & costal cartilage of 1st rib to thyroid lamina

38
Q

Sternothyroid (action)

A

depression of elevated larynx

39
Q

Sternothyroid (innervation)

A

ansa cervicalis (C1-3)

40
Q

Stylohyoid (attachments)

A

styloid process of temporal bone to greater cornu of hyoid bone

41
Q

Stylohyoid (action)

A

elevates & retracts hyoid

42
Q

Stylohyoid (innervation)

A

facial n.

43
Q

Thyrohyoid (attachments)

A

thyroid lamina to greater horn of hyoid bone

44
Q

Thyrohyoid (action)

A

depression of hyoid or elevation of thyroid cartilage

45
Q

Thyrohyoid (innervation)

A

ventral ramus of C1 via XII

Clinical Anatomy I (12 decks)

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