Erector Spinae Group Flashcards
1
Q
Action: Unilaterally
A
Laterally flex vertebral column to the same side
2
Q
Action: Bilaterally
A
Extend the vertebral column
3
Q
Origin
A
Common tendon that attaches to the posterior surface of sacrum, iliac crest, spinous proccesses of the lumbar, and last two thoracic vertabrae
4
Q
Insertion
A
Various attachments at the posterior ribs, spinous and transverse processes of thoracic and cervical vertebrae, and mastoid process of temporal bone.
