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Anatomy > Axial Muscle Chart > Flashcards

Axial Muscle Chart Flashcards

1
Q

External oblique

A

O: Posterolateral ribs 5-12
I: Iliac crest, linea alba
A: Flex, I/L lat flex, C/L rotation
S: Intercostal N C7-12

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2
Q

Internal oblique

A

O: Iliac crest, thoracolumbar fascia
I: Linea alba, inf ribs
A: Flex, I/L lat flex, I/L rotation
S: Intercostal N T7-12

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3
Q

Transverse abdominis

A

O: Ribs 7-12, thoracolumbar fascia, iliac crest
I: Linea alba
A: Support abdominal wall, compress abdomen
S: Intercostal N T7-12

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4
Q

Serratus posterior: superior

A

O: lower cervical + upper thoracic SP
I: upper ribs
A: Elevate ribs
S: Intercostal N 1-3

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5
Q

Serratus posterior inferior

A

O: Lower thoracic + upper lumbar SP
I: lower ribs
A: depress ribs
S: Intercostal N 9-12

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6
Q

Splenius capitis

A

O: cervical + upper thoracic SP
I: mastoid process, superior nuchal line
A: Extend, I/L lat flex, I/L rotation
S: dorsal rami of inf cervical N

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7
Q

Splenius cervicis

A

O: upper thoracic SP
I: upper cervical TP
A: extend, I/L lat flex, I/L rotation
S: dorsal rami of inf cervical N

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8
Q

Iliocostalis: lumborum, thoracic, cervicis

A

Lumborum: iliac crest to angles of lower ribs
Thoracic: angles of lower ribs to angles of upper ribs
Cervicis: angles of upper ribs to lower cervical TP
A: extend, I/L lat flex, I/L rotation
S: dorsal rami

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9
Q

Longissimus thoracis, cervicis, capitis

A

Thoracis: lumbar TP - thoracic TP and lower 9 ribs
Cervicis: upper thoracic TP - cervical TP
Capitis: upper thoracic and lower cervical TP - mastoid process
A: ext, I/L lat flex, I/L rotation
S: dorsal rami

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10
Q

Spinalis thoracis, cervicis

A

Thoracis: upper lumbar and lower thoracic SP - upper thoracic SP
Cervicis: lower ligamentum nuchae - axis SP
A: ext, I/L lat flex, I/L rotation
S: dorsal rami

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11
Q

Semispinalis: thoracic, cervicis, capitis

A

Thoracis: lower thoracic TP - upper thoracic + lower cervical SP
Cervicis: upper thoracic TP - cervical SP
Capitis: upper thoracic and lower cervical TP - occipital bone
A: Ext, I/L lat flex, C/L rotation
S: dorsal rami

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12
Q

Multifidus

A

O: sacrum, lower lumbar to lower cervical TP
I: SP vertebrae 2-5 superior
A: Ext, I/L lat flex, C/L rotation
S: dorsal rami

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13
Q

Rectus abdominis

A

O: Ribs 5-7, xiphoid process
I: pubic ramus
A: Flex
S: Intercostal N T7-T12

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14
Q

Rotatores

A

O: lumbar to cervical TP
I: Brevis: lumbar to cervical SP of adjacent superior vertebrae
Longus: lumbar to cervical SP of vertebrae 2 levels superior
A: Ext, I/L lat flex, C/L rotation
S: dorsal rami

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15
Q

Interspinalis

A

O: lumbar to cervical SP
I: lumbar to cervical SP of adjacent superior vertebrae
A: Extend
S: dorsal rami

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16
Q

Intertransversarii

A

O: lumbar to cervical TP
I: lumbar to cervical TP of adjacent superior vertebrae
A: I/L lat flex
S: dorsal rami

17
Q

Quadratus lumborum

A

O: upper lumbar TP, 12th rib
I: iliac crest
A: Ext, I/L lat flex
S: T12-upper lumbar ventral rami

18
Q

Rectus capitis posterior major

A

O: Axis SP
I: Inf nuchal line
A: ext, I/L rotate
S: Suboccipital N

19
Q

Rectus capitis posterior minor

A

O: Post arch atlas
I: Inf nuchal line
A: Ext, I/L rotate
S: Suboccipital N

20
Q

Obliquus capitis superior

A

O: Atlas TP
I: Occipital bone
A: Ext, I/L lat flex
S: suboccipital N

21
Q

Obliquus capitis inferior

A

O: Axis SP
I: Atlas TP
A: I/L rotate
S: Suboccipital N

22
Q

Sternocleidomastoid

A

O: Manubrium, med clavicle
I: Mastoid process, sup nuchal line
A: Ext occiput/upper cervical, Flex lower cervical, I/L lat flex, C/L rotate
S: Cranial nerve XI (accessory), Ventral rami C1-C2

23
Q

Platysma

A

O: Sup fascia of deltoid/pectoral region
I: Inf border mandible
A: Flex, tighten neck skin
S: Facial N

24
Q

Scalenus posterior

A

O: C5-C6 TP
I: Rib 2
A: I/L lat flex, C/L rotate
S: C3-C8 ventral rami

25
Q

Scalenus medius

A

O: C2-C7 TP
I: Rib 1
A: I/L lat flex, C/L rotate
S: C3-C8 ventral rami

26
Q

Scalenus anterior

A

O: C3-C6 TP
I: Rib 1
A: Flex, I/L lat flex, C/L rotate
S: C3-C8 ventral rami

27
Q

Sternohyoid

A

O: hyoid bone
I: manubrium
A: depress hyoid
S: C1-C3 ventral rami

Anatomy (7 decks)

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