Stuart McGill, PhD, is a professor at the University of Waterloo in, Ontario, Canada and an internationally recognized lecturer and expert in spine function and injury prevention and rehabilitation. He has written more than 200 scientific publications that address lumbar function, low back injury mechanisms, investigation of tissue loading during rehabilitation programs, and the formulation of work-related injury avoidance strategies. He has received several awards for his work, including the Volvo Bioengineering Award for Low Back Pain Research from Sweden. Dr. McGill has been an invited lecturer at many universities and delivered more than 200 addresses to societies around the world. As a consultant, he has provided expertise on assessment and reduction of the risk of low back injury to government agencies, corporations, professional athletes and teams, and legal firms. He is one of the few scientists who consults and to whom patients are regularly referred.