Skeletal muscles Flashcards

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1
Q

Frontalis 2

A
  • wrinkles forehead

* raises eyebrows

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2
Q

Occipitalis 1

A

*tenses and retracts scalp

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3
Q

Orbicularis oculi1 1

A

*closes eyes

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4
Q

Zygomaticus major1 1

A

*retracts and elevates corner of mouth

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5
Q

Buccinator 1

A

*compresses cheek

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6
Q

Massater 2

A
  • closes jaw

* elevates mandible

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7
Q

Orbicularis oris 1

A

*compresses and purses lip

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8
Q

Mentalis 1

A

*elevates and protrudes lip

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9
Q

Platysma 3

A
  • tenses skin of neck
  • depresses mandible
  • pulls lower lip down
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10
Q

Temporalis 1

A

*elevates mandible

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11
Q

Occipitofrontalis 3

A
  • retracts and tenses scalp
  • wrinkles forehead
  • raises eyebrows
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12
Q

Rectus abdominus 2

A
  • depresses rib

* flexes vertebral column

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13
Q

external oblique 3

A
  • depresses ribs
  • compresses abdomen
  • flexes/bend spine
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14
Q

internal oblique 3

A
  • depresses ribs
  • compresses abdomen
  • flexes/ bends spine
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15
Q

transverse abdominus 3

A
  • depresses ribs
  • compresses abdomen
  • flexes/ bends spine
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16
Q

Sternocleidomastoid 1

A

*flexes neck

17
Q

Diaphragm 2

A
  • expands thoracic cavity

* compresses abdominopelvic cavity

18
Q

Internal Intercostals 1

A

*depresses ribs

19
Q

External intercostals 1

A

*elevates ribs

20
Q

Subclavius 1

A

*depresses and protracts shoulder

21
Q

Pectoralis minor 2

A
  • depresses and protracts shoulder

* rotates scapula so glenoid fossa moves inferiorly

22
Q

Serratus anterior 2

A
  • rotates scapula so glenoid fossa moves superiorly

* protracts shoulder

23
Q

Trapezius 2

A
  • extends clavicle

* extends neck

24
Q

Levator scapulae 1

A

*elevates scapula

25
Q

Rhomboid major 1

A

*adducts scapula and performs downward rotation

26
Q

Rhomboid minor 1

A

*adducts scapula and performs downward rotation

27
Q

Iliocostalis 1

A

*extends vertebral column

28
Q

Longissimus 1

A

*extends vertebral column

29
Q

Spinalis thoracis 1

A

*extends vertebral column