Axial Flashcards

1
Q

Temporalis: Origin

A

Temporal fossa

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2
Q

Temporalis: Insertion

A

Coronoid process

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3
Q

Temporalis: Action

A
  1. Elevation of the mandible
  2. Retraction of the mandible
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4
Q

Sternocleidomastoid (SCM): Origin

A
  • Top of manubrium
  • Medial 1/3 of the clavicle
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5
Q

Sternocleidomastoid (SCM): Insertion

A
  • Mastoid process
  • Lateral portion of superior nuchal line
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6
Q

Sternocleidomastoid (SCM): Action

A
  • Lateral flexion of head & neck to the same side
  • Rotation of head & neck to the opposite side
  • BL: flexion of the neck
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7
Q

Trapezius: Origin

A
  • External occipital protuberance
  • Medial portion of superior nuchal line
  • Ligamentum nuchae
  • SPs C7-T12
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8
Q

Trapezius: Insertion

A
  • Lateral 1/3 of clavicle
  • Acromion
  • Spine of scapula
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9
Q

Trapezius: Action

A

Upper:
- Elevate scapula

Middle:
- Retract scapula

Lower:
- Depress scapula

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10
Q

Posterior Scalene: Origin

A

TVPs C6-7

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11
Q

Posterior Scalene: Insertion

A

Second rib

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12
Q

Posterior Scalene: Action

A

- Elevates ribs during forced inhalation
- Rotate neck to the same side
- Laterally flex neck to the same side

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13
Q

Erector Spinae Group (ESG): Origin

A

Thoracolumbar aponeurosis

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14
Q

Erector Spinae Group (ESG): Insertion

A
  • SPs and TVPs of throracic & cervical vertebrae
  • Various posterior ribs
  • Mastoid process
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15
Q

Erector Spinae Group (ESG): Action

A
  • Lateral flexion to the same side
  • BL: extend vertebral column
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16
Q

Rectus Abdominis: Origin

A
  • Pubic crest
  • Pubic symphysis
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17
Q

Rectus Abdominis: Insertion

A
  • Cartilage of ribs 5, 6, 7
  • Xiphoid process
18
Q

Rectus Abdominis: Action

A
  • Flex trunk
  • Tilt pelvis posteriorly
19
Q

Masseter: Origin

A

Zygomatic arch

20
Q

Masseter: Insertion

A

Angle and ramus of the mandible

21
Q

Masseter: Action

A
  • Elevation of the mandible
  • Protraction of the mandible
22
Q

Suboccipitals: Origin

A
  • SP C2
  • TVP C1
23
Q

Suboccipitals: Insertion

A

Inferior nuchal line

24
Q

Suboccipitals: Action

A
  • Rock & tilt head into extension
  • Rotation to the same side
  • Lateral flexion to the same side
25
Anterior Scalene: Action
**- Elevates ribs during forced inhalation** - Rotate neck to the opposite side - Laterally flex neck to the same side
26
Anterior Scalene: Origin
TVPs C3-6
27
Anterior Scalene: Insertion
First rib
28
Middle Scalene: Action
**- Elevates ribs during forced inhalation** - Rotate neck to the opposite side - Laterally flex neck to the same side
29
Middle Scalene: Origin
TVPs C2-7
30
Middle Scalene: Insertion
First rib
31
Quadratus Lumborum (QL): Origin
Posterior iliac crest
32
Quadratus Lumborum (QL): Insertion
- Last/12th rib - TVPs L1-4
33
Quadratus Lumborum (QL): Action
- Laterally tilt (elevate) pelvis - Lateral flexion of the trunk to the same side
34
Splenius Capitis: Origin
- Inferior 1/2 of ligamentum nuchae - SPs C7-T4
35
Splenius Capitis: Insertion
- Mastoid process - Lateral portion of superior nuchal line
36
Splenius Capitis: Action
- Lateral flexion of head & neck to the same side - Rotation of head & neck to the same side - BL: extension of head & neck
37
Levator Scapula: Origin
TVPs C1-4
38
Levator Scapula: Insertion
Medial border of scapula between the superior angle and spine
39
Levator Scapula: Action
- Elevate scapula - Laterally flex head & neck to the same side
40
External Oblique: Origin
External surfaces of ribs 5-12
41
External Oblique: Insertion
- Anterior iliac crest - Abdominal aponeurosis (rectus sheath) to linea alba
42
External Oblique: Action
- Lateral flexion of the trunk to the same side - Rotation of the trunk to the opposite side