axial muscles

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30 Terms

1
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epicranius: frontalis and occipitalis

raise eyebrows

<p>raise eyebrows</p>
2
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orbicularis oculi

closes eye

<p>closes eye</p>
3
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levator palpebrae superioris

opens eye

<p>opens eye</p>
4
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corrugator supercilii

draws eyebrows together when frowning

<p>draws eyebrows together when frowning</p>
5
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orbicularis oris

closes lips (kissing)

<p>closes lips (kissing)</p>
6
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zygomaticus major

raises corner of mouth upwards (smiling)

<p>raises corner of mouth upwards (smiling)</p>
7
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buccinator

compresses cheek (whistling)

<p>compresses cheek (whistling)</p>
8
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platysma

tenses skin of neck when shaving - pouting

<p>tenses skin of neck when shaving - pouting</p>
9
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superior rectus

elevates and turns eye medially

<p>elevates and turns eye medially</p>
10
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inferior rectus

depresses and turns eye medially

<p>depresses and turns eye medially</p>
11
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medial rectus

moves eye medially

<p>moves eye medially</p>
12
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lateral rectus

moves eye laterally

<p>moves eye laterally</p>
13
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superior oblique

depresses eye and turns it laterally

<p>depresses eye and turns it laterally</p>
14
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inferior oblique

elevates eye and turns it laterally

<p>elevates eye and turns it laterally</p>
15
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temporalis

closes jaw

<p>closes jaw</p>
16
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masseter

prime mover of jaw closure

<p>prime mover of jaw closure</p>
17
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pterygoids (medial and lateral)

protrude mandible and side-to-side grinding of lower teeth

<p>protrude mandible and side-to-side grinding of lower teeth</p>
18
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sternocleidomastoid

flexes and laterally rotates head

<p>flexes and laterally rotates head</p>
19
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splenius capitis

extends or hyperextends head

<p>extends or hyperextends head</p>
20
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diaphragm

prime mover of inspiration

<p>prime mover of inspiration</p>
21
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intercostals (external and internal)

draw ribs together

<p>draw ribs together</p>
22
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external oblique

flex spine, rotate trunk, flex laterally, compress viscera

<p>flex spine, rotate trunk, flex laterally, compress viscera</p>
23
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internal oblique

flex spine, rotate trunk, flex laterally, compress viscera

<p>flex spine, rotate trunk, flex laterally, compress viscera</p>
24
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transverse abdominis

compress abdominal contents

<p>compress abdominal contents</p>
25
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rectus abdominis

flex and rotate lumbar spine

<p>flex and rotate lumbar spine</p>
26
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erector spinae

prime mover of vertebral/spine (back) extension

<p>prime mover of vertebral/spine (back) extension</p>
27
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ischiocavernosus

retards venous drainage and maintains erection of penis and clitoris

<p>retards venous drainage and maintains erection of penis and clitoris</p>
28
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bulbospongiosus

empties male urethra

<p>empties male urethra</p>
29
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levator ani: pubococcygeus and iliococcygeus

supports pelvic viscera, anal and vaginal sphincters

<p>supports pelvic viscera, anal and vaginal sphincters</p>
30
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coccygeus

supports pelvic viscera

<p>supports pelvic viscera</p>