Erector Spinae Group
iliocostalis proximal attachments
- sacrum - iliac crest - spinous processes in lumbar region
Proximal attachments of the longissimus
- sacrum - iliac crest - spinous processes in lumbar region - transverse processes
What group of muscles contains the iliocostalis, longissimus, longissimus capitis, and the spinalis?
Erector Spinae group
Iliocostalis distal attachments
Ribs
bilateral action of spinalis
extend
bilateral actions of the longissimus
extend
iliocostalis bilateral actions
extend
primary actions of longissimus capitis
ipsilateral roation
iliocostalis unilateral actions
laterally flex
unilateral actions of the longissimus
laterally flex
distal attachments of longissmus capitis
mastoid process
iliocostalis innervation
posterior rami in region of muscle
innervation of longissimus capitis
posterior rami in region of muscle
innervation of spinalis
posterior rami in region of muscle
innervation of the longissumus
posterior rami in region of muscle
distal attachment of spinalis
spinous processes
proximal attachment of spinalis
spinous processes
proximal attachments of longissimus capitis
transverse processes in upper thoracic AND lower cervical
distal attachments of longissimus
transverse processes, ribs
