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1 Cards in this Set
- Front
- Back
Erector Spinae:
1. Iliocostalis 2. Longissimus 3. Spinalis |
Function:maintain upright posterior, extend back, control flexion of back
Nerve: dorsal rami Arterial supply: segmentally: deep cervical, intercostal, subcostal, lumbar Origin:Sacrum, ilium, ribs & lumbar and thoracic Insertion: 1. Ribs 2. Ribs & transverse processes & mastoid process 3. Spinous processes |