Cervical Spine Movement Lateral Flexion rheumatology illustrations. Shows the cervical skeleton during lateral flexion in the lateral and posterior views, then repeated with facet joint capsules, discs and nerve roots added. Finishes with a close-up of the C6 nerve root during lateral flexion in the lateral view. Visit http://www.medilaw.tv for more information. Cervical Spine Movement Lateral Flexion rheumatology illustrations.