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spine and thorax

Erect spinae group unilaterally: laterlly flex the vertebral column. bilaterally: Extend the vertebral column. they all run from the sacrum to the occiout along 5he posterior aspect of vetevral column large and most superficial of the spinal muscles
Spinalis cervicis Origin: Ligamentum nuchae, spinous process of c-7
spinous cervicis Insertion: Spinous processes of cervicals except c-1
spinous thoracis origin: spinous process of upper lumbar/lower thoracic vertebrae
sinous thracis Insertion: spinous process of upper thoracic
Longissius Origi: common tendon (thoracolumbar aponeurosis) transverse process of upper 5 thoracic vertebrae
Longssimus Insertion Lower 9 ribs and transverse process of thoracic vertebrae, transvere process of cervical vertebrae mastoid process of temporal bone
Illiocostalis igin: Common tendon (lumbarum, thoracolumbar aponeurosis) Posterior surface of 1st -12 ribs
Illiocostalis Insertion: Tranverse process of lumbar vertebrae 1- and posterior surface 6-12 ribs. posterior suface of ribs 1-6 transverse process of lower cervicals
Traverospinalis Multifidi, rotators, semispinalis cptis` they are deep to the erector spinae group many short diagonal fibers
Multifidi Origin: Sacrum and transverse process of lumbar thru cervical veribrae
multifidi : Insertion: spinous ro of lumbar vertebre tr 2nd cervical
Multi Action: Unilaterally: rotate vertebral colum t oppose side Bilaterally: extend
Rotators Origin: transverse processes of lumbar throu cervical vertebrae , span 2-4 vertebrae
rotators insertion: span 1-2 vertebrae
semispinalis capitis Origin: transverse process of c-4 thru t-5
splenus cap insertion: mastoid process and lateral portion of the superior nuchae semispin
splenius cap Action: Unilateraly: rotte head and neck to same side and laterally flex the head and neck
spenius cap Origin inferior 1/ of ligamentum nuchaeand spinous process t-3 thru t-6
splenius cerv orogin: spinous process t3-t6
splenius cerv Insertin: transverse process c1-c3
Splenus cerv action; Bilaterally: extend head and neck
suboccipitals Action: Laterally flex, til, rocking, rotation, thumb size
rectus captis posterior major spinous process of the axis c2 insertion: Inferior nuchal line of the occiput
rectus capitis posteriors minor tubercle of posterior arch of atlas c1 Isertion: Inferior nuchal line of the occiput
Oblique capitis superior origin; transverse orocess of atlas c1 insertion: inferior nucahla line of occiput
oblique capitis inferior O; spinous process of axis 2 insertion: Transverse process of atlas c1
recus abdominals flex vertebral column, tilt the pelvis posteriorly
rectus ab origin: pubic crest and pubic symphasis Insertio: Cartilage of 5-7 ribs and xiphoid process
Exteranl oblique internal oblique Action; unilaterally: laterally flex vertebral column to the same side, rotate the vertebral column to opposite sides
ex oblique origin: external surface ribs 5-12
Created by: miab