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Back Anatomy > Transversospinalis Muscles > Flashcards

Transversospinalis Muscles Flashcards

1
Q

Semispinalis Thoracis

Origin

A

TP T7-T12

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2
Q

Semispinalis Thoracis

Insertion

A

SP 5-6 segments above

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3
Q

Semispinalis Thoracis

Innervation

A

Dorsal rami in the area

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4
Q

Semispinalis Thoracis

Action

A

Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

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5
Q

Semispinalis Cervicis

Origin

A

TP T1-T5 articular processes lower C/S

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6
Q

Semispinalis Cervicis

Insertion

A

SP C2-C5

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7
Q

Semispinalis Cervicis

Innveration

A

Dorsal rami in the area

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8
Q

Semispinalis Cervicis

Action

A

Bilateral: neck extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

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9
Q

Semispinalis Capitis

Origin

A

TP C7-T6

Articular processes lower C/S

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10
Q

Semispinalis Capitis

Insertion

A

Occiput between superior and inferior nuchal lines

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11
Q

Semispinalis Capitis

Innervation

A

Dorsal rami in the area

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12
Q

Semispinalis Capitis

Action

A

Bilateral: Head extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

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13
Q

Multifidus Lumborum

Origin

A

Posterior Sacrum

L1-L5 mamillary processes

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14
Q

Multifidus Lumborum

Insertion

A

SP 3-4 vertebrae above

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15
Q

Multifidus Lumborum

Innervation

A

Dorsal rami in the area

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16
Q

Multifidus Lumborum

Action

A

Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

17
Q

Multifidus Thoracis

Origin

A

TP Thoracic spine

18
Q

Multifidus Thoracis

Insertion

A

SP 3-4 vertebrae above

19
Q

Multifidus Thoracis

Innervation

A

Dorsal rami in the area

20
Q

Multifidus Thoracis

Action

A

Bilateral: Spine extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

21
Q

Multifidus Cervicis

Origin

A

Articular processes lower cervical spine

22
Q

Multifidus Cervicis

Insertion

A

SP C2

23
Q

Multifidus Cervicis

Innervation

A

Dorsal rami in the area

24
Q

Multifidus Cervicis

Action

A

Bilateral: Neck extension
Unilateral: Contralateral rotation, ipsilateral lateral flexion

25
Q

Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)

Origin

A

TP of all vertebrae

26
Q

Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)

Insertion

A

SP 2 vertebrae above

SP 1 vertebra above

27
Q

Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)

Innervation

A

Dorsal rami in the area

28
Q

Rotatores Longus and Brevis (Lumborum, Thoracis, & Cervicis)

Action

A

Bilateral: Spine extension
Unilateral: Contralateral rotation

29
Q

Levator Costarum (Longus and Brevis)

Origin

A

TP Thoracic Spine

30
Q

Levator Costarum (Longus and Brevis)

Insertion

A

Superior Border of subajacent ribs 1 or 2 below

31
Q

Levator Costarum (Longus and Brevis)

Innervation

A

Dorsal rami in the area

32
Q

Levator Costarum (Longus and Brevis)

Action

A

Ribs: elevation

Back Anatomy (4 decks)

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