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MSK > Axial Muscles > Flashcards

Axial Muscles Flashcards

1
Q

rectus capitis posterior minor

A 
O: posterior tubercle C1
I: occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
     ipsilateral rotation (unilaterally)
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2
Q

rectus capitis posterior major

A 
O: C2 spinous process
I: occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
     ipsilateral rotation (unilaterally)
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3
Q

obliquus capitis superior

A 
O: C1 transverse process
I: lateral occipital bone
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
     ipsilateral rotation (unilaterally)
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4
Q

obliquus capitis inferior

A 
O: C2 spinous process
I: C1 transverse process
INN: suboccipital nerve (C1)
A: upper cervical extension (bilaterally)
     ipsilateral rotation (unilaterally)
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5
Q

spinalis cervicis

A

O: C7-T2 spinous processes
I: C2 spinous process
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, maintains posture

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6
Q

spinalis thoracis

A

O: lower Tx spinous processes
I: upper Tx spinous processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, maintains posture

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7
Q

longissimus capitis

A 
O: upper Tx & lower Cx transverse processes
I: mastoid process
INN: cervical and thoracic spinal nerves
A: head and neck extension (bilaterally)
    ipsilateral rotation (unilaterally)
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8
Q

longissimus cervicis

A

O: upper Tx transverse processes
I: C2-6 transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture

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9
Q

longissimus thoracis pars thoracis

A

O: lower Lx spinous processes, sacrum
I: Tx transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture

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10
Q

longissimus thoracis pars lumborum

A

O: medial iliac crest
I: Lx accessory and transverse processes
INN: cervical and thoracic spinal nerves
A: neck and vertebral column extension, head rotation, maintains posture

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11
Q

iliocostalis cervicis

A

O: rib angles 3-6
I: lower Cx transverse processes
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture

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12
Q

iliocostalis thoracis

A

O: lower rib angles
I: upper rib angles
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture

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13
Q

iliocostalis lumborum pars thoracis

A

O: ilium & sacrum
I: lower 8 ribs
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture

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14
Q

iliocostalis lumborum pars lumborum

A

O: medial iliac crest
I: Lx transverse processes
INN: cervical, thoracic and lumbar spinal nerves
A: neck and vertebral column extension, maintains posture

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15
Q

longus capitis

A

O: mid Cx transverse processes
I: basilar part of occipital bone

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16
Q

longus colli (cervicis) - lower part

A

O: upper Tx vertebral bodies
I: lower Cx transverse processes

17
Q

longus colli (cervicis) - vertical part

A

O: lower Cx vertebral bodies
I: mid Cx vertebral bodies

18
Q

longus colli (cervicis) - upper part

A

O: mid Cx transverse processes
I: upper Cx vertebral bodies

19
Q

anterior scalene

A

O: Cx transverse processes
I: anterior 1st rib

20
Q

middle scalene

A

O: Cx transverse processes
I: lateral 1st rib

21
Q

posterior scalene

A

O: Cx transverse processes
I: lateral 2nd rib

22
Q

diaphragm

A

O: L1-3, lower 6 costal cartilages and ribs
I: central tendon

23
Q

quadratus lumborum

A

O: posterior iliac crest
I: 12th rib and lumbar transverse processes

24
Q

external abdominal oblique

A

O: lateral lower 8 ribs, anterolateral iliac crest
I: linea alba via aponeurosis
INN: T7-12 ventral rami
A: trunk fx, contralateral rotation, increase intra-abdominal pressure

25
Q

internal abdominal oblique

A

O: lower 4 ribs and cartilages, anterolateral iliac crest, inguinal ligament, thoracolumbar fascia
I: linea alba via aponeurosis
INN:
A:

26
Q

transversus abdominis

A

O: thoracolumbar fascia, internal surface of lower ribs/cartilages, iliac crest, inguinal ligament, pubic crest
I: linea alba
INN: T7-L1 ventral rami
A: increase intra-abdominal pressure

27
Q

rectus abdominis

A

O: xyphois process, adjacent rib caritilages
I: pubic crest and symphysis
INN: T7-12 ventral rami
A: trunk flexion

MSK (11 decks)

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