1. Individualized program of therapy using simulated or real job duties to build up strength and improve the worker’s endurance to be able to work up to 8 hours per day. Sometimes work site modifications are instituted to get the employee back to gainful employment. 2. In a workers’ compensation case, program that uses conditioning tasks with real or simulated work activities that are graded to progressively improve the biomechanical, neuromuscular, cardiovascular, metabolic, and psychosocial functioning of the injured worker to maximize the ability to return to work (e.g, in vocational rehabilitation). It incorporates psychomedical counseling, ergonomics, job coaching, and transitional work development.