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Spinal Anatomy Lab 1 > Actions And Innervations > Flashcards

Actions And Innervations Flashcards

1
Q

Trapezius

A

Innervation - spinal accessory nerve, C1-C5 cord levels

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2
Q

Latissimus Dorsi

A

Innervation - thoracodorsal nerve, ventral rami C6-C8

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3
Q

Levator Scapulae

A

Innervation - dorsal scapular nerve, ventral Ramus C5 plus ventral rami
C3, C4

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4
Q

Rhomboid Major

A

Innervation - dorsal scapular nerve, ventral Ramos C5 plus ventral
Ramus C4

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5
Q

Rhomboid Minor

A

Dorsal scapular nerve, ventral ramus C5 plus ventral ramus C4

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6
Q

Splenius Capitis

A

Innervation - dorsal rami C3-C5
Actions - Laterally flex head and rotate face to side; bilaterally
Extend head

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7
Q

Splenius Cervicis

A

Innervation - dorsal rami C5-C7

Action - laterally flex and rotate neck; bilaterally extend neck

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8
Q

Iliocostalis Lumborum

A

Innervation - dorsal rami lower T, All L

Action - Extension, lateral flexion, rotation of L spine; lateral movement of pelvis

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9
Q

Iliocostalis Thoracis

A

Innervation - dorsal rami T1-T6

Action - Extension, lateral flexion T spine

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10
Q

Iliocostalis Cervicis

A

Innervation - dorsal rami T1, T2; rarely C8

Action - Extension, lateral flexion, rotation lower C spine

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11
Q

Longissimus Thoracis

A

Innervation - dorsal rami T &L nerves
Action - Lateral flexion T spine & ribs (L spine inadvertently); bilaterally act in extension of T & L spine, hold T & L spine erect (increases L lordosis); lateral movement of pelvis

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12
Q

Longissimus Cervicis

A

Innervation - dorsal rami C4-C8; T1-T2

Action - lateral flexion of neck; bilaterally extend neck

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13
Q

Longissimus Capitis

A

Innervation - dorsal rami C1-C3, sometimes C4

Action - rotate & laterally flex head; bilaterally extend head

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14
Q

Spinalis Thoracis

A

Innervation - dorsal rami T & upper L

Action - Extend T spine

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15
Q

Spinalis Cervicis

A

Innervation - dorsal rami C

Action - Lateral flexion & rotation of C spine; bilaterally extend neck

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16
Q

Spinalis Capitis

A

Innervation - dorsal rami lower C, upper T

Action - lateral flexion & rotation of head; bilaterally extend neck

17
Q

Semispinalis Thoracis

A

Innervation - dorsal rami T1-T6

Action - Extension, rotation, & lateral flexion of upper T & lower C spine; bilaterally extend T spine

18
Q

Semispinalis Cervicis

A

Innervation - dorsal rami C6-C8

Action - Extension, rotation, & lateral flexion of C spine; bilaterally extend neck

19
Q

Semispinalis Capitis

A

Innervation - dorsal rami C1-C6

Action - turns face to side; bilaterally extends head (neck inadvertently)

20
Q

Multifidis

A

Innervation - dorsal rami C3-C8, T1-T2, L1-L5, sometimes S1

21
Q

Rectus Capitis Posterior Major

A

Innervation - suboccipital nerve, dorsal ramus C1

Action - Turns face to side; bilaterally extends head

22
Q

Rectus Capitis Posterior Minor

A

Innervation - suboccipital nerve, dorsal ramus C1

Action - Extends head

23
Q

Obliquus Capitis Superior

A

Innervation - suboccipital nerve, dorsal ramus C1

Action - lateral flexion of head; bilaterally extends head

24
Q

Obliquus Capitis Inferior

A

Innervation - suboccipital nerve, dorsal ramus C1

Action - Turns face to side

25
Q

Quadratus Lumborum

A

Innervation - ventral rami T12, L1-L3 or L4
Action - steadies origin of diaphragm; when pelvis is fixed, it will laterally flex the L spine; bilaterally extends the L spine; stabilizes & depresses the 12th rib

26
Q

Serratus Posterior Superior

A

Innervation - intercostal nerves, ventral rami T2-T5

Action - elevate upper 5 ribs in inspiration

27
Q

Serratus Posterior Inferior

A

Innervation - intercostal nerves, ventral rami T9-T11. Subcostal nerve, ventral ramus T12
Action - draws lower 4 ribs down & back; forced inspiration

28
Q

Longus Colli

A

Innervation - ventral rami C2-C6, sometimes C7

Action - flexion & extension of neck; rotation to the contralateral side

29
Q

Longus Capitis

A

Innervation - ventral rami C1-C3

Action - flex the head

30
Q

Rectus Capitis Anterior

A

Innervation - ventral rami C1, C2

Action - flex the head

31
Q

Rectus Capitis Lateralis

A

Innervation - ventral rami C1, C2

Action - laterally flex the head to ipsilateral side

32
Q

Anterior scalene

A

Innervation - ventral rami C2-C6

33
Q

Middle Scalene

A

Innervation - ventral rami C3-C8

34
Q

Posterior Scalene

A

Innervation - ventral rami C6-C8

Spinal Anatomy Lab 1 (1 decks)

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