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PT 514 Anatomy > Axial Skeleton Muscle Actions > Flashcards

Axial Skeleton Muscle Actions Flashcards

1
Q

What is the action of Rectus Abdominis?

A

-Flex Axial Skeleton

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2
Q

What is the action(s) of External Oblique?

A
  • Flex
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
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3
Q

What is the action(s) of Internal Oblique?

A
  • Flex
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
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4
Q

What is the action(s) of Transverses Abdominis?

A
  • Support Abdominal Wall

- Compress Abdomen

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5
Q

What is the action(s) of Serratus Posterior: Superior?

A

-Elevates Ribs

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6
Q

What is the action(s) of Serratus Posterior: Inferior?

A

-Lower Ribs

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7
Q

What is the action(s) of Splenius Capitis?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Ipsilateral rotation
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8
Q

What is the action(s) of Splenius Cervicis

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Ipsilateral Rotation
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9
Q

What is the action(s) of Iliocostalis Lumborum, Thoracis, and Cervicis?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Ipsilateral Rotation
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10
Q

What is the action(s) of Longissimus Thoracis, Cervicis, and Capitis?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Ipsilateral Rotation
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11
Q

What is the action(s) of Spinalis Thoracis, and Cervicis?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Ipsilateral Rotation
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12
Q

What is the action(s) of Semispinalis, Thoracis, Cervicis, and Capitis?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
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13
Q

What is the action(s) of Multifidus

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
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14
Q

What is the action(s) of Rotatores?

A
  • Extend
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
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15
Q

What is the action(s) of Interspinalis

A

-Extend

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16
Q

What is the action(s) of Intertransversarii?

A

Ipsilateral lateral Flexion

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17
Q

What is the action(s) of Quadratus Lumborum?

A
  • Extend

- Ipsilateral Lateral Flexion

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18
Q

What is the action(s) of Rectus Capitis Posterior Major?

A
  • Extend

- Ipsilateral rotation

19
Q

What is the action(s) of Rectus Capitis Posterior Minor?

A
  • Extend

- Ipsilateral Rotation

20
Q

What is the action(s) of Obliquus Capitis Superior?

A
  • Extend

- Ipsilateral Lateral Flexion

21
Q

What is the action(s) of Obliquus Capitis Inferior?

A

-Ipsilateral Rotation

22
Q

What is the action(s) of Sternocleidomastoid?

A
  • Extend Occiput
  • Extend Upper Cervical Spine
  • Flex Lower Cervical Spine
  • Ipsilateral Lateral Flexion
  • contralateral rotation
23
Q

What is the action(s) of Platysma?

A
  • Flex

- Tightens Skin of neck

24
Q

What is the action(s) of Scalenus Posterior?

A
  • Ipsilateral Lateral Flexion

- Contralateral Rotation

25
What is the action(s) of Scalenus Medius?
- Ipsilateral Lateral Flexion | - Contralateral Rotation
26
What is the action(s) of Scalenus Anterior?
- Flex - Ipsilateral Lateral Flexion - Contralateral Rotation
27
What is the action(s) of Sternohyoid?
Depress Hyoid
28
What is the action(s) of Sternothyroid?
Depress Hyoid & Larynx
29
What is the action(s) of Thyrohyoid?
Depress Hyoid & Elevate Larynx
30
What is the action(s) of Omohyoid?
Depress Hyoid | Retract Hyoid
31
What is the action(s) of Frontalis?
Raise Eyebrows
32
What is the action(s) of Orbicularis Oculi?
Close Eyelids
33
What is the action(s) of Orbicularis Oris?
Close Lips
34
What is the action(s) of Buccinator?
Compress Cheek
35
What is the action(s) of Zygomaticus?
Pull angle of lips Superiorly- Smile
36
What is the action(s) of Temporalis?
- Elevate Mandible | - Retrude Mandible
37
What is the action(s) of Masseter
- Elevate Mandible | - Protrude Mandible
38
What is the action(s) of Medial Pterygoid?
- Elevate mandible | - Protrude Mandible
39
What is the action(s) of Lateral Pterygoid?
- Depress Mandible | - Protrude Mandible
40
Name all the muscles that Flex the Axial Skeleton
1. Rectus Abdominis 2. External Oblique 3. Internal Oblique
41
Name all the muscles that Cause Ipsilateral Lateral Flexion of the Axial Skeleton
- External Oblique | - Internal Oblique
42
Name all the muscles that - Extend the axial Skeleton - Ipsilaterally Laterally Flex - Ipsilaterally Laterally Rotate
1. Splenius Capitis 2. Splenius Cervicis 3. Illiocostalis Lumborum, Thoracis, Cervicis 4. Longissimus Thoracis, Cervicis, Capitis 5. Spinalis Thoracis, Cervicis
43
Name all the muscles that - Extend the Axial Skeleton - Ipsilaterally Laterally Flex - Contralaterally Rotate
1. Semispinalis Thoracis, Cervicis, Capitis 2. Multifidus 3. Rotatores
44
Name the muscles that flex the Axial Skeleton
1. Rectus Abdominis 2. External Oblique 3. Internal Oblique

PT 514 Anatomy (12 decks)

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