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deep Back muscles > Tranversospinalis group > Flashcards

Tranversospinalis group Flashcards

1
Q

What are the group of muscles in the transverse spinals group?

A

Semispanalis
Multifidus
Roatores

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2
Q

How does the Transversospinalis group attach?

A

inferior - TV of inferior vert

Superior - spines of superior vert

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3
Q

What are the Transversospinalis group muscles deep to?

A

Erector spinae muscles

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4
Q

What group of transversospinalis muscles are most superficial?

A

semispanilis

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5
Q

What muscles ar in the semispinalis group?

A

Semispanalis:
Thoracis
cervicis
capitus

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6
Q

What are the attachments of semispanalis thoracis?

A

inferior TV T6-T10

superior spines C5 T4

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7
Q

What are the attachments of semispinalis cervices?

A

inferior TV T1 -T6

superior spines C2 -C5

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8
Q

What are the attachments of semispinalis capitus?

A

inferior TV T1 -T6 and TV C4-C7
superior occipital bone (between inferior and superior nuchal lines)
most superficial of semispinalis

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9
Q

What muscle is semispinalis muscle is inditiguishable from in most people?

A

spinalis capitus

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10
Q

What is the function of the semispinalis group?

A

Bilatteral contraction aid in extension of back

unilateral contraction rotates back to opposite side

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11
Q

What is the function of multifidis?

A

stabilize vert column

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12
Q

Where is multifidis most pronouced?

A

lumbar region

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13
Q

What muscles are multifidus deep to?

A

semispinalis

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14
Q

How does multifidus span?

A

2-4 vert

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15
Q

What group of muscles are the deepest transversospinal group?

A

rotatores

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16
Q

Where is the rotator most most pronounced?

A

thoracic region

17
Q

What is the function of the rotators?

A

stabilize the vert column

18
Q

What are the rotator group?

A

longus
brevis
because of the sloping of the thoracic spines they lie in a more or less transverse plain

19
Q

How does the rotator longus span?

A

2 vert level
TV of inferior
spine of two verts superior

20
Q

How does the rotator brevis span?

A

1 vert level
TV of inferior
spine of 1 vert superior

deep Back muscles (5 decks)

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