Muscles spine/thorax/abdomen oinf Flashcards
Splenius capitus o
nuchal ligament and spinous process of c7-t3
Splenius capitus i
Fibers run superolaterally to mastoid process of temporal bone and lateral 1/3 of the superior nuchal line of occipital bone
Splenius capitus f
unilateral: ipsilateral side bend and head rotation
bilateral: head and neck extension
splenius cervicis o
nuchal ligament ad spinous process of c7-t3
splenius cervicis i
tubercles of transverse process of c1-4
splenius cervicis f
unilateral: ipsilateral side bend and head rotation
bilateral: head and neck extension
Erector Spinae Group f
Acting Bilaterally: extend vertebral column and head, as back
is flexed, control movement via eccentric contraction
Acting Unilaterally: laterally flex vertebral column and
ipsilateral rotation of the spine
Levatores Costarum o
tips of transverse processes of C7, T1-T-11
Levatores Costarum f
Elevate ribs, assisting in respiration, assist with lateral flexion of vertebral column
Levatores Costarum i
pass inferiolaterally and insert on rib between tubercle and angle
Levatores Costarum n
posterior rami of C8-T11 spinal nerves
Rectus Capitis Posterior Major o
spinous process of c2
Rectus Capitis Posterior Major i
lateral portion of inferior nuchal line
Rectus Capitis Posterior Major f
extension of head, ipsilateral rotation
Rectus Capitis Posterior Minor o
posterior tubercle of posterior arch of c1