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chapter15
neck and trunk
42
Anatomy
Undergraduate 1
04/06/2015

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Term
origin of splenius cervicis
Definition
spinous process of T3-T6
Term
insertion of Splenius Cervicis
Definition
transverse process of upper C vertebrae
Term
action of splenius cervicis
Definition
extends head
rotates head to same side and laterally flexes head
Term
origin of platysma
Definition
superior aspect of the pectoralis major
Term
insertion of platysma
Definition
edge of mandible
skin of lower part of face
Term
action of platysma
Definition
depresses madible
tightens the fascia of the neck
Term
nerve of platysma
Definition
facial nerve CN VII
Term
origin of rectus abdominis
Definition
pubic bone
Term
insertion of rectus abdominis
Definition
5-7 rib and xiphoid process
Term
action fo rectus abdominis
Definition
flexes spine
Term
nerve of rectus abdominis
Definition
intercostals nerve
Term
origin of external oblique
Definition
lower 8 ribs
Term
insertion of external oblique
Definition
iliac crest
linea alba
Term
action of external oblique
Definition
flexes spine
lateral flexion to same side
rotates trunk to opposite side
Term
origin of internal oblique
Definition
iliac crest
thoracolumbar fascia
Term
insertion of internal olique
Definition
bottom 3 ribs
linea alba
Term
actions of internal oblique
Definition
flexes spine
latrally flexes spine to same side
rotates spine to same side
Term
nerve of internal oblique
Definition
intercostal nerve
Term
origin of transverse abdominis
Definition
iliac crest
thoracolumbar fascia
lower 6 ribs
Term
insertion of transverse abdominis
Definition
linea alba
Term
action of transverse abdominis
Definition
compresses abdominal content
Term
nerve of transverse abdominis
Definition
intercostals nerve
Term
origin of spinelis,longissimus and iliocostalis
Definition
attaches to the sacrum,iliac crest, spinous processes of T10-L5
Term
insertion fo spinelis, longissimus, and iliocostalis
Definition
posterior ribs
spinous and transverse process of thoracic and cervical vertebrae
mastoid process
Term
action of spinelis,longissimus, and iliocostalis
Definition
extends back and laterally flexes to one side
Term
nerve of spinelis, longissimus, and iliocostalis
Definition
spinal nerve
Term
origin of multifidus
Definition
sacrum and transverse process C4-L5
Term
insertion of multifidus
Definition
spinous process of the vertebra
Term
origin of rotatores
Definition
transverse processes of vertebrae
Term
insertion of rotatores
Definition
lamina of the vertbrae above
Term
origin of semispinalis
Definition
transverse process C4-T5
Term
insertion of semispinalis
Definition
nuchal line
Term
action semispinalis
Definition
extends and rotates to opposite side
Term
origin of interspinalis
Definition
spinous process below vertebra
Term
insertion of interspinalis
Definition
spinous process above
Term
action of interspinalis
Definition
trunk extension
Term
origin of intertransversarii
Definition
transverse process below
Term
insertion of intertransversarii
Definition
transverse process above
Term
action of intertransversarii
Definition
trunk lateral flexion
Term
origin of quadratus lumborum
Definition
iliac crest
Term
insertion of quadratus lumborum
Definition
last ribs, transverse process of L1-L4 vertebra
Term
action of quadratus lumborum
Definition
elevates hip and lateral trunk flexion
extends trunk
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