Back injuries are the leading cause of disability in the United States for people younger than 45 years of age and have been the most expensive health care problem for the 30-50 year old age group [Bureau of Labor Statistics. Lost work time injuries and illnesses: Characteristics and resulting time away from work. U.S. Department of Labor, Washington, D.C., 1998.].There is evidence that low back belts are helpful in protecting the worker from low back injury. However, there is a pervasive fee.