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A&P 2 Lab > A&P 2 Unit 11 [Part 1] (Lab) [Muscles Part 1] > Flashcards

A&P 2 Unit 11 [Part 1] (Lab) [Muscles Part 1] Flashcards

1
Q
A

Frontalis (Anterior View)

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2
Q
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Frontalis (Lateral View)

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3
Q

Frontalis (Action)

A
  • Raises eyebrows
  • Wrinkles forehead horzontally
  • Named for Location
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4
Q
A

Occipitalis (Posterior View)

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5
Q
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Occipitalis (Lateral View)

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6
Q

Occipitalis (Action)

A
  • Draws scalp posteriorly
  • Named for Location
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7
Q
A

Orbicularis oculi (Anterior View)

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8
Q
A

Orbicularis oculi (Lateral View)

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9
Q

Orbicularis oculi (Action)

A
  • Closes eyes (Squinting & Winking)
  • Orbicularis= Fasicle direction
  • oculi= eye
  • Is a sphincter
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10
Q
A

Orbicularis oris (Anterior View)

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11
Q
A

Orbicularis oris (Lateral View)

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12
Q

Orbicularis oris (Action)

A
  • Compresses, purses lips
  • It is a Sphincter
  • oris= mouth
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13
Q

*

A

Buccinator (Lateral View)

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14
Q

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A

Buccinator (Anterior View)

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15
Q

*Buccinator (Action)

A
  • Compresses cheeks
  • Important in infants
  • Refers to Buccal (Cheek)
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16
Q
A

Zygomaticus (Anterior View)

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17
Q
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Zygomaticus (Lateral View)

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18
Q

Zygomaticus (Action)

A
  • Elevates upper lips
  • Elevates corners of mouth
  • Named for Location: Zygomatic Bone
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19
Q

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A

Temporalis (Lateral View)

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20
Q

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Temporalis (Anterior View)

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21
Q

*Temporalis (Action)

A
  • Elevates mandible (Chewing & Clenching Teeth)
  • Named for Location
  • Inserts on the medial side
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22
Q

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A

Masseter (Lateral View)

23
Q

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Masseter (Anterior View)

24
Q

*Masseter (Action)

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Elevates mandible (Chewing & Clenching Teeth)

25
Q
A

Platysma (Anterior View)

26
Q
A

Platysma (Lateral View)

27
Q

Platysma (Action)

A
  • Tenses skin of neck
  • Depresses mandible
28
Q

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A

Sternocleidomastoid (Anterior View)

29
Q

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A

Sternocleidomastoid (Lateral View)

30
Q

*Sternocleidomastoid (Action)

A
  • Bilaterally: Flexes the neck
  • Unilaterally: Laterally flexes and rotates neck
  • Sterno= sternum
  • Cleido= clavicle
  • Mastoid= mastoid process
31
Q

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A

Scalenes (Anterior View)

32
Q

*Scalenes (Action)

A
  • Elevate the ribs (For deep inhalation) OR flex the neck
33
Q

*

A

Trapezius (Posterior View)

34
Q

*Trapezius (Action)

A
  • Superior Trapezius: Extends the neck
  • Works with Splenius capitis
35
Q

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A

Splenius capitis (Posterior View) [Deep to Trapezius]

36
Q

*Splenius capitis (Action)

A
  • Bilaterally: Extends the neck
  • Unilaterally: Rotates and laterally flexes the neck
  • capitis= head
  • Works with Trapezius
37
Q
A

Longissimus thoracis (Posterior View) [Deep to Trapezius]

38
Q

Longissimus thoracis (Action)

A
  • Bilaterally: Extends vertebral column
  • Unilaterally: Lateral flexion of vertebral column
  • Tendon connects to back bones (Back movers)
39
Q

*

A

Rectus Abdominis (Anterior View)

40
Q

*Rectus Abdominis (Action)

A
  • Flexes vertebral column
  • Compresses abdomen (During breathing)
  • Rectus= striaght up and down
41
Q

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A

External oblique (Lateral View)

42
Q

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A

Internal oblique (Lateral View)

43
Q

*External and Internal obliques (Action)

A
  • Flex vertebral column
  • Compress abdomen
44
Q

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A

Transversus abdominis (Anterior View)

45
Q

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A

Transversus abdominis (Lateral View)

46
Q

*Transversus abdominis (Action)

A
  • Compresses abdomen (No vertebral flexion)
  • Deepest of abes
47
Q
A

External intercostals (Anterior View)

48
Q

External intercostals (Action)

A

Elevate ribs

49
Q
A

Internal intercostals (Anterior View) [Deep to External Intercostals]

50
Q

Internal intercostals (Action)

A

Depress ribs

51
Q
A

Diaphragm (Anterior View)

52
Q
A

Diaphragm (Lateral View)

53
Q

Diaphragm (Action)

A
  • Expansion of thoracic cavity
  • Compression of abdominal cavity
  • Covers the liver
  • Contracts= lowers

A&P 2 Lab (13 decks)

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