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Anatomy T2 > sept 23 > Flashcards

sept 23 Flashcards

1
Q

trapezius, latissumus dorsi, levator scapula, and rhomboids are in what layer of the back muscles?

A

superficial/extrinsic

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2
Q

what is the shared function of the superficial muscle layer of the back

A

connect the upper limb to the trunk

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3
Q

serratus posterior superior and serratus posterior inferior are in what layer of the back muscles?

A

intermediate/intrinsic

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4
Q

what is the shared function of the intermediate muscle layer of the back?

A

accessory muscles of respiration

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5
Q

how many layers in the deep muscles of the back?

A

3 (superficial, intermediate, deep)

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6
Q

layer of deep back muscles, contains splenius capitis and splenius cervicis

A

superficial

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7
Q

layer of deep back muscles, contains spinalis, longissimus, and iliocostalis

A

intermediate

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8
Q

layer of deep back muscles, 3 columns of muscles collectively called the erector spinae/paraspinals

A

intermediate

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9
Q

layer of deep back muscles, muscles here have both superomedial and vertical fibre directions

A

deep

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10
Q

semispinalis, multifidus, and rotatores are in what layer of the deep back muscles?

A

deep

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11
Q

interspinales and intertransversarii are in what layer of the deep back muscles?

A

deep

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12
Q

the superomedial fibre muscles of the deep deep layer of the back are found where?

A

laminar groove (between the spinous and transverse processes)

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13
Q

which muscles of the deep deep layer of the back attach from the transverse process to the spinous processes of more superior vertebrae

A

superomedial fibre muscles

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14
Q

which muscles of the deep deep layer of the back are collectively called the transverseospinalis muscles

A

superomedial fibre muscles

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15
Q

the superomedial muscles of the deep deep layer of the back are in what order, from superficial to deep?

A

semispinalis, multifidus, rotatores

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16
Q

muscle of the intermediate layer of the back. deep to rhomboids

A

serratus posterior superior

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17
Q

muscles of the intermediate layer of the back. superficial to the erector spinae

A

serratus posterior superior and inferior

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18
Q

muscle of the intermediate layer of the back. medial attachment: SPs of C7-T3, lateral attachment: superior borders of ribs 2-5

A

serratus posterior superior

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19
Q

muscle of the intermediate layer of the back. elevates ribs 2-5 during deep inhalation

A

serratus posterior superior

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20
Q

muscle of the intermediate layer of the back. deep to the latissimus/thoracolumbar fascia

A

serratus posterior inferior

21
Q

muscle of the intermediate layer of the back. medial attachment: SPs of T11-L2, lateral attachment: Lower 4 ribs

A

serratus posterior inferior

22
Q

muscle of the intermediate layer of the back. draws ribs down and back during forced exhalation

A

serratus psoterior inferior

23
Q

muscle of the superficial deep layer of the back. attaches the SPs of C4-T2 to the mastoird process and lateral superior nuchal line

A

splenius capitis

24
Q

muscle of the superficial deep layer of the back. does ipsilateral rotation (unilateral) and extension of the neck (bilateral)

A

splenius capitis/cervicis

25
Q

muscle of the superficial deep layer of the back. attaches SPs of T3-T5 to TVPs of C1-C4

A

splenius cervicis

26
Q

which layer of deep back muscles arise inferiorly from the thoracolumbar fascia and spread out superlateraly

A

intermedate

27
Q

muscle of the intermediate deep layer of the back. very thin, shortest column

A

spinalis

28
Q

muscle of the intermediate deep layer of the back. sits in laminar groove and attaches to SPs

A

spinalis

29
Q

muscle of the intermediate deep layer of the back. longest column

A

longissimus

30
Q

muscle of the intermediate deep layer of the back. most visible and palpable

A

longissimus

31
Q

muscle of the intermediate deep layer of the back. attaches to TVPs

A

longissimus

32
Q

muscle of the intermediate deep layer of the back. attaches to the angles of the ribs

A

iliocostalis

33
Q

actions of the muscles of the intermediate deep layer of the back.

A

lateral flexion of the vertebral column, extension of the vertebral column

34
Q

muscles of the intermediate deep layer of the back from medial to lateral

A

spinalis, longissimus, iliocostalis

35
Q

muscle of the deep deep layer of the back. superomedial, covers upper half of the spinal column

A

semispinalis

36
Q

muscle of the deep deep layer of the back. superomedial, fibres attach 3-6 vertebrae apart from TVPs to SPs

A

semispinalis

37
Q

muscle of the deep deep layer of the back. superomedial, attaches superiorly to the occipital bone between the superior and inferior nuchal lines

A

semispinalis

38
Q

muscle of the deep deep layer of the back. does extension and contralateral rotation of the neck

A

semispinalis

39
Q

muscle of the deep deep layer of the back. superomedial, largest mass in the back of the neck

A

semispinalis

40
Q

muscle of the deep deep layer of the back. superomedial, attaches from S4-C2, fibres skip 1-3 vertebrae

A

multifidus

41
Q

muscle of the deep deep layer of the back. superomedial. does extension, stabilization, lateral flexion, and contralateral rotation of the spine

A

multifidus

42
Q

muscle of the deep deep layer of the back. superomedial. the only muscle to cross the posterior sacrum

A

multifidus

43
Q

muscle of the deep deep layer of the back. superomedial, deepest in the laminar groove

A

rotatores

44
Q

muscle of the deep deep layer of the back. superomedial, longus fibres skip 1 vertebra, brevis fibres do not

A

rotatores

45
Q

muscle of the deep deep layer of the back. superomedial. does stabilization and contralateral rotation

A

rotatores

46
Q

muscle of the deep deep layer of the back. vertical, paired muscles on either side of cervical and lumbar SPs

A

interspinales

47
Q

muscle of the deep deep layer of the back. vertical, does extension

A

interspinales

48
Q

muscle of the deep deep layer of the back. vertical, attach TVPs of adjacent vertebrae of cervical and lumbar spine

A

intertransverarii

49
Q

muscle of the deep deep layer of the back. vertical, does lateral flexion

A

intertransversarii

Anatomy T2 (15 decks)

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