Ergonomics is the science of fitting the work task to the user. It seeks to prevent serious injury by considering designs that accommodate the abilities and limitations of people. Many workers perform tasks that involve exposure to ergonomic risk factors. Musculoskeletal disorders resulting from such exposure account for one-third of all occupational injuries and illnesses reported to the U.S. Bureau of Labor Statistics. Exposures to risk factors can lead to the development of permanent, disabling injuries, and illnesses that may prevent workers from returning to their jobs and performing...