Analysis 4.1. Comparison 4 Fitness training for unfit applicants versus fit applicants, Outcome 1 Risk of Injury (men). Analysis 4.2. Comparison 4 Fitness training for unfit applicants versus fit applicants, Outcome 2 Risk of injury (women). Analysis 5.1. Comparison 5 Work accommodations versus no need for work accommodations, Outcome 1 Musculoskeletal