"In an age where a seemingly endless amount of gimmicky back products are in circulation, a definitive guide to self-assessment and rehabilitation is more essential than ever. Back Mechanic guides you through a self-assessment of your pain triggers, then shows you how to avoid these roadblocks to recovery. Then effective exercises are coached in a step by step progressive plan. Spine expert, Prof. McGill used his 30 years of research findings and clinical investigations to create this evidence-based guide that has helped thousands reclaim their lives. This knowledge is now available to you in this richly illustrated book. You will become your own best Back Mechanic and advocate." --Publisher's website.