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DPT Anatomy > Anterior neck muscles > Flashcards

Anterior neck muscles Flashcards

1
Q

platysma: proximal and distal attachments

A

proximal: inferior mandible border skin
subcutaneous tissue of the face

distal: pectoralis major
deltoid fascia

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2
Q

platysma: innervation and blood supply

A

innervation: cervical branch of facial nerve CN VII

blood supply: facial artery
submental artery

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3
Q

platysma - function

A

depress mandible
lower face skin
elevate neck skin when mouth closed

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4
Q

sternocleidomastoid - proximal and distal attachments

A

proxmial: manubrium
proximal clavicle

distal: mastoid process
superior nuchal line

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5
Q

sternocleidomastoid - innervation and blood supply

A

innervation: spinal accessory nerve CN XI

blood supply: occipital and superior thyroid arteries

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6
Q

sternocleidomastoid - function

A

ipsilateral side bending
contralateral rotation
flexion
elevate thorax and shoulder

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7
Q

stylohyoid - proximal and distal attachments

A

proximal: styloid process
distal: hyoid body

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8
Q

stylohyoid - innervation and blood supply

A

innervation: facial nerve CN VII

blood supply: superior thyroid artery
lingual artery

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9
Q

stylohyoid - function

A

hyoid elevation

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10
Q

digastric - proximal and distal attachments

A

proximal: posterior belly: mastoid notch
anterior belly: inferior border of mandible closing to the symphysis

distal: common tendon on hyoid body

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11
Q

digastric - innervation and blood supply

A

innervation
posterior belly - facial nerve CN VII
anterior belly - mylohyoid branch of trigeminal nerve CN V

blood supply:
posterior belly: occipital artery
anterior belly: facial artery

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12
Q

digastric - function

A

hyoid elevation

retraction of mandible

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13
Q

mylohyoid - proximal and distal attachments

A

proximal: mylohyoid line of mandible
distal: hyoid body and median raphe of bilateral mylohyoid

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14
Q

mylohyoid - innervation and blood supply

A

innervation: mylohyoid branch of trigeminal nerve CN V3

blood supply: inferior alveolar artery

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15
Q

mylohyoid - function

A

hyoid and floor of mouth elevation

mandible depression and retraction

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16
Q

geniohyoid - proximal and distal attachments

A

proximal: mandibular inferior mental spine
distal: anterior hyoid body

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17
Q

geniohyoid - innervation

A

innervation: C1 hiking through hypoglossal nerve

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18
Q

geniohyoid - function

A

hyoid and floor of the mouth elevation
depression and retraction of mandible

  • same as mylohyoid
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19
Q

sternohyoid - proximal and distal attachments

A

proximal: posterior manubrium
clavicle
sternoclavicular ligament

distal: inferior border of hyoid

20
Q

sternohyoid - innervation and blood supply

A

innervation: ansa cervicalis (C1-C3)

blood supply: superior thyroid artery

21
Q

sternohyoid - function

A

hyoid and larynx depression

22
Q

sternothyroid - proximal and distal attachments

A

proximal: posterior surface of manubrium
distal: oblique line of thyroid cartilage

23
Q

sternothyroid - innervation and blood supply

A

innervation: ansa cervicalis

blood supply: superior thyroid artery

24
Q

sternothyroid - function

A

depression of thyroid cartilage and larynx

25
Q

omohyoid - proximal and distal attachment

A

proximal: lower border of hyoid
distal: suprascapular notch

26
Q

omohyoid - innervation and blood supply

A

innervation: ansa cervicalis

blood supply: lingual artery
superior cervical artery
infrahyoid artery

27
Q

omohyoid - function

A

hyoid depression

28
Q

thyrohyoid - proximal and distal attachment

A

proximal: oblique line of thyroid cartilage
distal: lower body and greater horn of hyoid

29
Q

thyrohyoid - innervation and blood supply

A

innervation: C1 hiking through hypoglossal nerve

blood supply: superior thyroid artery

30
Q

thyrohyoid - function

A

depression of hyoid

elevation of thyroid cartilage and larynx

31
Q

anterior scalene - proximal and distal attachments

A

proximal: anterior tubercle of transverse process C3-C6
distal: scalene tubercle of 1st rib

32
Q

anterior scalene - innervation and blood supply

A

innervation: ventral rami C4-C6

blood supply: ascending cervical artery

33
Q

anterior scalene - function

A

neck ipsilateral side bending
contralateral rotation
flexion
1st rib elevation

34
Q

middle scalene - proximal and distal attachments

A

proximal: posterior tubercle of transverse process c2-C7
distal: upper surface of rib 1

35
Q

middle scalene - innervation and blood supply

A

innervation: ventral rami of spinal nerve C2-C8

blood supply: ascending cervical artery

36
Q

middle scalene - function

A

neck ipsilateral side bending

1st rib elevation

37
Q

posterior scalene - proximal and distal attachment

A

proximal: posterior tubercle of transverse process C5-C7
distal: 2nd rib, occasional with middle scalene

38
Q

posterior scalene - innervation and blood supply

A

innervation: ventral rami C6-C8

blood supply: ascending cervical artery

39
Q

posterior scalene - function

A

neck ipsilateral side bend

2nd (and 1st if merging with middle scalene) rib elevation

40
Q

longus capitis - proximal and distal attachment

A

proximal: TP C3-C6
distal: basilar part of occipital bone

41
Q

longus colli - proximal and distal attachment

A

proximal:
superior - TP of C3-C5
inferior - bodies of T1-T3
vertical - bodies of T3-T5

distal:
superior - anterior tubercle of C1
inferior - TP of C5-C7
vertical - bodies of C2-C4

42
Q

rectus capitis anterior - proximal and distal attachments

A

proximal: anterior arch
transverse process of C1

distal: occiput

43
Q

rectus capitis lateralis - proximal and distal attachmetns

A

proximal: TP C1
distal: occiput

44
Q

deep prevertebral flexors (longus capitis & colli, rectus capitis anterior & lateralis) - innervation

A

ventral rami of cervical nerves

45
Q

deficit of the core neck muscles (longus capitis & colli, rectus capitis anterior & lateralis)

A

forward head: overstretch

weakness

DPT Anatomy (8 decks)

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