Back Muscles Flashcards

1
Q

What is the proximal attachment of the serratus posterior superior?

(L15 S31)

A
  • ligamentum nuchae

- spinous process of C7 and T1-2(3)

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2
Q

What is the distal attachment of the serratus posterior superior?

(L15 S31)

A

-ribs 2-5

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3
Q

What is the innervation of the serratus posterior superior?

L15 S31

A

-ventral rami of intercostals T1-3(4)

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4
Q

What is the action of the serratus posterior superior?

L15 S31

A

-elevate upper ribs during inspiration

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5
Q

What is the proximal attachment of the serratus posterior inferior?

(L15 S31)

A

-spinous process of T11-12 and L1

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6
Q

What is the distal attachment of the serratus posterior inferior?

(L15 S31)

A

-ribs (9)10-12

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7
Q

What is the innervation of the serratus posterior inferior?

L15 S31

A

-ventral rami of intercostals T9-12

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8
Q

What is the action of the serratus posterior inferior?

L15 S31

A
  • pull lower ribs inferiorly

- counteracts diaphragm

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9
Q

What is the proximal attachment of the splenius capitus?

L15 S39

A

-spinous process of C7 and T1-4

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10
Q

What is the distal attachment of the splenius capitus?

L15 S39

A
  • superior nuchal line

- mastoid

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11
Q

What is the proximal attachment of the splenius cervicis?

L15 S39

A

-spinous process of T3-T6

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12
Q

What is the distal attachment of the splenius cervicis?

L15 S39

A

-transverse process of C1-4

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13
Q

What is the proximal attachment of the iliocostalis?

L15 S44

A
  • ilium

- sacrum

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14
Q

What is the distal attachment of the iliocostalis?

L15 S44

A

-most ribs

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15
Q

What is the proximal attachment of the longissimus?

L15 S44

A

-transverse processes and sacrum

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16
Q

What is the distal attachment of the longissimus?

L15 S44

A

-most ribs

17
Q

What is the proximal attachment of the spinalis?

L15 S47

A

-spinous processes T11-L2

18
Q

What is the distal attachment of spinalis?

L15 S47

A
  • thoracic spinous processes

- lower cervical vertebrae