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table 14.2 intrinsic acting on the head
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what is the origin of the longus capitis:
base of the occiput
what is the insertion of the longus capitis:
anterior tubercles of C3 - C6 transverse processes
what is the action of the longus capitis:
flex the head (atlanto-occipital motion)
what is the origin of the longus colli:
anterior tubercle of C1
bodies of C1 - C3
transverse processes of C3 - C6
what is the insertion of the longus colli:
bodies of C5 - T3 vertebrae
transverse processes of C3 - C5 vertebrae
what is the action of the longus colli:
cervical flexion with rotation to the opposite if unilateral
what is the origin of the obliquus capitis inferior:
lateral surface of spinous process of axis
what is the insertion of the obliquus capitis inferior:
inferior surface of the transverse process of C1 (atlas)
what is the action of the obliquus capitis inferior:
unilateral: ipsilateral rotation
what is the origin of the obliquus capitis superior:
transverse process of the atlas
what is the insertion of the obliquus capitis superior:
occipital bone
what is the action of the obliquus capitis superior:
bilateral:
unilateral:
bilateral
: extension of the head on atlas
unilateral
: ipsilateral rotation
what is the origin of the rectus capitis anterior:
base of the skull, anterior to the occipital condyle
what is the insertion of the rectus capitis anterior:
anterior surface of lateral portion of C1 (atlas)
what is the action of the rectus capitis anterior:
flex head (atlanto-occipital motion)
what is the origin of the rectus capitis lateralis:
jugular process of the occiput
what is the insertion of the rectus capitis lateralis:
transverse process of C1 (atlas)
what is the action of the rectus capitis lateralis:
flex (atlanto-occipital motion)
stabilize the head
what is the origin of the rectus capitis posterior major:
posterior edge of spinous process of axis
what is the insertion of the rectus capitis posterior major:
inferior nuchal line on occipital bone
what is the actions of the rectus capitis posterior major:
bilateral:
unilateral:
bilateral
: extension of head on atlas
unilateral
: ipsilateral rotation
what is the origin of the rectus capitis posterior minor:
posterior tubercle of axis
what is the insertion of the rectus capitis posterior minor:
inferior nuchal line on occipital bone (medial aspect)
what are the actions of the rectus capitis posterior minor:
bilateral:
unilateral:
bilateral
: extension of the head on atlas
unilateral
: ipsilateral rotation
Author
itzlinds
ID
264910
Card Set
table 14.2 intrinsic acting on the head
Description
table 14.2 intrinsic cervical muscles acting on the head
Updated
3/3/2014, 11:48:59 PM
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