Thursday 13 November 2014

Origin/Insertion of Muscles - Erector Spinae (Iliocostalis Group - Cervicis, Thoracis, Lumborum)

Iliocostalis Group - Cervicis, Thoracis, Lumborum
Origin: Superior borders of ribs and Iliac Crest
Insertion: Transverse processes of Cervical vertebrae and Inferior surfaces of ribs
Action: Extends vertebral column or moves laterally to that side; moves ribs

Iliac Crest

Rib Cage
Transverse Process

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