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Back Anatomy > Errector Spinae > Flashcards

Errector Spinae Flashcards

1
Q

Splenius Capitis

Origin

A

Ligamentum nuchae

SP C7-T3

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2
Q

Splenius Capitis

Insertion

A

Lateral 1/3rd superior nuchal line

Mastoid process

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3
Q

Splenius Capitis

Innervation

A

Dorsal rami in the area

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4
Q

Splenius Capitis

Action

A

Bilateral: Head extension
Unilateral: Ipsilateral lateral flexion and rotation

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5
Q

Splenius Cervicis

Origin

A

SP T3-T6

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6
Q

Splenius Cervicis

Insertion

A

TP C1-C3

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7
Q

Splenius Cervicis

Innervation

A

Dorsal Rami in the area

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8
Q

Splenius Cervicis

Action

A

Bilateral: Neck extension
Unilateral: Ipsilateral lateral flexion and rotation

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9
Q

Iliocostalis Lumborum

Origin

A

Common tendon of the erector spinal muscles

Iliac crest

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10
Q

Iliocostalis Lomborum

Insertion

A

Inferior borders of the 6th-12th ribs at the costal angle

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11
Q

Iliocostalis Lumborum

Innervation

A

Dorsal rami in the area

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12
Q

Iliocostalis Lumborum

Action

A

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

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13
Q

Iliocostalis Thoracis

Origin

A

Superior borders of the 6th-12th ribs at the costal angle

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14
Q

Iliocostalis Thoracis

Insertion

A

Inferior borders of the 1st-6th ribs at the costal angle

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15
Q

Iliocostalis Thoracis

Innervation

A

Dorsal rami in the area

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16
Q

Iliocostalis Thoracis

Action

A

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

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17
Q

Iliocostalis Cervicis

Origin

A

3rd-6th ribs at costal angles

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18
Q

Iliocostalis Cervicis

Insertion

A

Posterior tubercles of TP C4-C6

19
Q

Iliocostalis Cervicis

Innervation

A

Dorsal rami in the area

20
Q

Iliocostalis Cervicis

Action

A

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

21
Q

Longissimus Thoracis

Origin

A

Common tendon of the erector spinae muscles

TP accessory processes of L1-L5

22
Q

Longissimus Thoracis

Insertion

A

TP T1-T12

3rd-12th ribs lateral to the tubercle

23
Q

Longissimus Thoracis

Innervation

A

Dorsal rami in the area

24
Q

Longissimus Thoracis

Action

A

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

25
Q

Longissimus Cervicis

Origin

A

TP T1-T5

26
Q

Longissimus Cervicis

Insertion

A

Posterior tubercles TP C2-C6

27
Q

Longissimus Cervicis

Innervation

A

Dorsal rami in the area

28
Q

Longissimus Cervicis

Action

A

Spine: bilateral extension

Unilateral ipsilateral lateral flexion

29
Q

Longissimus Capitis

Origin

A

TP T1-T5

Articular processes C4-C7

30
Q

Longissimus Capitis

Insertion

A

Mastoid process

31
Q

Longissimus Capitis

Innervation

A

Dorsal rami in the area

32
Q

Longissimus Capitis

Action

A

Head: Extension

Unilateral ipsilateral lateral flexion

33
Q

Spinalis Thoracis

Origin

A

SP T11-L2

34
Q

Spinalis Thoracis

Insertion

A

SP upper Thoracic T1-T4

35
Q

Spinalis Thoracis

Innervation

A

Dorsal rami in the area

36
Q

Spinalis Thoracis

Action

A

Spine: extension

37
Q

Spinalis Cervicis

Origin

A

SP upper thoracic T1-T6

38
Q

Spinalis Cervicis

Insertion

A

SP upper cervical C2-C4

39
Q

Spinalis Cervicis

Innervation

A

Dorsal rami in the area

40
Q

Spinalis Cervicis

Action

A

Spine: extension

41
Q

Spinalis Capitis

Origin

A

SP C7-T1

42
Q

Spinalis Capitis

Insertion

A

Between superior and inferior nuchal lines

43
Q

Spinalis Capitis

Innervation

A

Dorsal rami in the area

44
Q

Spinalis Capitis

Action

A

Head extension

Back Anatomy (4 decks)

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