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Human Anatomy Lab Practical 2 > Axial Muscles (Primary Movement) > Flashcards

Axial Muscles (Primary Movement) Flashcards

1
Q

epicranius: frontalis

A

raises eyebrows

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2
Q

epicranius: occipitalis

A

fixes aponeurosis and pulls scalp posteriorly

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3
Q

orbicularis oculi

A

closes eyelid

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4
Q

levator palpebrae superioris

A

opens upper eyelid

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5
Q

corrugator supercilii

A

draws eyebrows together and inferiorly (frown)

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6
Q

orbicularis oris

A

closes lips (kissing)

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7
Q

zygomaticus major

A

raises corner of muth upwards (smiling)

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8
Q

buccinator

A

compresses cheek (whistling & trumping)

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9
Q

platysma

A

tenses skin of neck (growling/pouting)

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10
Q

superior rectus

A

elevates eye and turns it medially

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11
Q

inferior rectus

A

depresses eye and turns it medially

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12
Q

medial rectus

A

moves eye medially

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13
Q

lateral rectus

A

moves eye laterally

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14
Q

superior oblique

A

depresses eye and turns it laterally

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15
Q

inferior oblique

A

elevates eye and turns it laterally

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16
Q

temporalis

A

closes jaw

17
Q

masseter

A

prime mover of jaw closure (chewing)

18
Q

pterygoids:medial

A

aids in grinding movements of teeth

19
Q

pterygoids:lateral

A

aids in grinding movements of teeth

20
Q

tongue

A

speaking and chewing

21
Q

stermocleidomastoid

A

flexes and laterally rotates head

22
Q

splenius capitis

A

extend or hyperxtend head

23
Q

diaphragm

A

prime mover of inspiration

24
Q

intercostals (external)

A

elevates rib cage

25
Q

intercostals (internal)

A

depresses rib cage

26
Q

scalenes

A

elevates ribs 1-2 (aids in inspiration)

27
Q

external oblique

A

flex spine, rotate trunk, flex laterally, compress viscera

28
Q

internal oblique

A

flex spine, rotate trunk, flex laterally, compress viscera

29
Q

transverse abdominus

A

compresses abdominal contents

30
Q

rectus abdominis

A

flexes and rotates vertebral column (sit-ups)

31
Q

erector spinae

A

prime mover of spine extension

32
Q

quadratus lumborum

A

flexes vertebral column laterally - core muscle that forms most of posterior abdominal wall and is most often “pulled”

Human Anatomy Lab Practical 2 (6 decks)

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