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Muscle of the posterior cervical spine- extrinsic superficial
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Trapezius
Origin
Insertion
Action
O: inion, superior nuchal line,ligamentum nuchae, spinous processes of C7 to T12
I: lateral 1/3 of clavicle, spine of scapula, acromion process
A: elevation, retraction, and depressionof the scapula
Iliocostalis cervics
Origin
Insertion
Action
O: angles of ribs (3-6)
I: transverse processes of C4 to C6
A
: unilateral: ipsilateral side bending of head/neck
bilateral
: head/neck extension
Longissimus cervics/ capitis
Origin
Insertion
Action
O
: common erector spinae origin
-cervics
: transverse processes of T1 to T5
-capitis
: transverse process of C4 to T5
I
: ribs (btw tubercles/angles)
cervics
: tansverse processes of the cervical spine/ TS
capitis
: mastoid process
A
: see iliocostalis
Spinalis cervics/capitis
Origin
Insertion
Action
O
: common erector spinae
cervics
: spinous processes C7 to T2(often missing)
capitis
: transverse processes of C4 to C6- often blends with semispinalis capitis(tvps of c4 to t12)
I
: cer: spof c2 sometimes c3-c4
cap
: occiput btw superior and inferior nuchal line
A: bilateral: neck/head extension and back
Author
GoofieDanie
ID
4484
Card Set
Muscle of the posterior cervical spine- extrinsic superficial
Description
Spinalis cervics/cpitis and others
Updated
2010-01-19T03:06:58Z
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