Place folded towel on weight plate. Lie on bench on side with knees and hips bent and arm hanging over edge. Position weight and towel on side of upper head. Hold weight on side of head with hand of upper arm. Place hand of lower arm on floor for support.
Move head up to side by laterally flexing neck. Lower head to opposite side and repeat. Lie on other side and continue.
See all muscle used in Lateral Flexion: