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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
Q

What is the action(s) of Scalenus Medius?

A
  • Ipsilateral Lateral Flexion

- Contralateral Rotation

26
Q

What is the action(s) of Scalenus Anterior?

A
  • Flex
  • Ipsilateral Lateral Flexion
  • Contralateral Rotation
27
Q

What is the action(s) of Sternohyoid?

A

Depress Hyoid

28
Q

What is the action(s) of Sternothyroid?

A

Depress Hyoid & Larynx

29
Q

What is the action(s) of Thyrohyoid?

A

Depress Hyoid & Elevate Larynx

30
Q

What is the action(s) of Omohyoid?

A

Depress Hyoid

Retract Hyoid

31
Q

What is the action(s) of Frontalis?

A

Raise Eyebrows

32
Q

What is the action(s) of Orbicularis Oculi?

A

Close Eyelids

33
Q

What is the action(s) of Orbicularis Oris?

A

Close Lips

34
Q

What is the action(s) of Buccinator?

A

Compress Cheek

35
Q

What is the action(s) of Zygomaticus?

A

Pull angle of lips Superiorly- Smile

36
Q

What is the action(s) of Temporalis?

A
  • Elevate Mandible

- Retrude Mandible

37
Q

What is the action(s) of Masseter

A
  • Elevate Mandible

- Protrude Mandible

38
Q

What is the action(s) of Medial Pterygoid?

A
  • Elevate mandible

- Protrude Mandible

39
Q

What is the action(s) of Lateral Pterygoid?

A
  • Depress Mandible

- Protrude Mandible

40
Q

Name all the muscles that Flex the Axial Skeleton

A
  1. Rectus Abdominis
  2. External Oblique
  3. Internal Oblique
41
Q

Name all the muscles that Cause Ipsilateral Lateral Flexion of the Axial Skeleton

A
  • External Oblique

- Internal Oblique

42
Q

Name all the muscles that

  • Extend the axial Skeleton
  • Ipsilaterally Laterally Flex
  • Ipsilaterally Laterally Rotate
A
  1. Splenius Capitis
  2. Splenius Cervicis
  3. Illiocostalis Lumborum, Thoracis, Cervicis
  4. Longissimus Thoracis, Cervicis, Capitis
  5. Spinalis Thoracis, Cervicis
43
Q

Name all the muscles that

  • Extend the Axial Skeleton
  • Ipsilaterally Laterally Flex
  • Contralaterally Rotate
A
  1. Semispinalis Thoracis, Cervicis, Capitis
  2. Multifidus
  3. Rotatores
44
Q

Name the muscles that flex the Axial Skeleton

A
  1. Rectus Abdominis
  2. External Oblique
  3. Internal Oblique

PT 514 Anatomy (12 decks)

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