Name Iliocostalis cervicisPronunciation (il-e-o-kos-TA-lu s SER-vi-kis) Origin/Proximal Attachment Angles of ribs 2-6 Insertion/Distal Attachment Transverse processes of C4-6 Action/Relevance Extends, laterally flexes & assists in rotation of lower cervical & upper thoracic vertebrae Innervation Lower cervical & upper thoracic nerves |