DSI Work Solutions specializes in occupational health, employer services, functional capacity evaluation, functional capacity assessment, job analysis, work injury prevention, isernhagen work systems, ergonomics, ADAAA, physical therapists, safety managers, case managers, physical ability test, pre employment screening, job function descriptions, and functional post offer and RTW tests.The DSI Job Function Matching® System: Reducing Healthcare and workers compensation costs while enhancing worker safety and productivity.Job Function Matching® is a breakthrough system in work injury prevention and management, It was founded by Dennis and Susan Isernhagen, world leaders in occupational health and employer services. Today employers and healthcare providers alike use this JFM system to place workers and keep them productive throughout their work-life span.