Week 12: OIA Axial Flashcards
Origin of Spinalis Cervicis
Ligamentum nuchae, spinous process of C7
Insertion of Spinalis Cervicis
Spinous Process of C2-C7
Action of Spinalis cervicis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of Spinalis Thoracis
Spinous process of upper lumbar and lower thoracic vertebra
Insertion of Spinalis Thoracis
Spinous process of upper thoracic vertebra
Action of spinalis thoracis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of longissimus capitis
Transverse process of upper 5 thoracic vertebra
Insertion of longissimus capitis
Mastoid process of temporal bone
Action of longissimus capitis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of Longissimus cervicis
Transverse process of upper 5 thoracic vertebra
Insertion of longissimus cervicis
Transverse process of cervical vertebra
Action of Longissimus Cervicis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of longissimus thoracis
common tendon
Insertion of longissimus thoracis
Lower 9 ribs and transverse process of thoracic vertebra
Action of longissimus thoracis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of Iliocostalis vervicis
Posterior surface of rib 1-12
Insertion of Iliocostalis cervicis
transverse process of lower cervical vertebra
Action of Iliocostalis cervicis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of Iliocostalis thoracis
Posterior surface of rib 1-12
Insertion of Iliocostalis thoracis
Posterior surface of rib 1-6
Action of Iliocostalis thoracis
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of Iliocostalis Lumborum
Common tendon
Insertion of Iliocostalis lumborum
Transverse process of lumbar vertebra 1-3, and post surface of ribs 6-12
Action of Iliocostalis lumborum
Unil: lat flex vertebrae to same side.
Bilat: extend vertebra
Origin of rotatores
TVP of lumbar - cervical vertebra
Insertion of rotatores
SP of lumbar -C2
Span 1-2 vertebra
Action of rotatores
Unilat: rotate opposite
Bilat: extend
Origin of Multifidi
Sacrum
TVP of lumbar - cervical vertebra
Insertion of Multifidi
SP of lumbar - C2
Span 2-4 vertebra
Action of Multifidi
Unilat: rotate opposite
Bilat: extend
Origin of Interspinalis
SP of C2-T3 and T12-L5
Insertion of Interspinalis
SP of C2-C3 and T12-L5
Action of interspinalis
Extend vertebral column
Origin of Intertransversarus
TVP of C2-C7 and L1-L5
Insertion of Intertransversarus
TVP of C2-C7 and L1-L5
Action of Intertransversarus
Unilat: lat flex vertebra on same side
Bilat: extend vertebra
Origin of Semispinalis Capitis
Transverse process of C4-T5
Insertion of Semispinalis Capitis
Between superior and inferior nuchal line
Action of Semispinalis Capitis
Extend vertebral column and head
