Dietitians or nutritionists are health care professionals who develop and supervise diet programs that improve public health. They may serve as clinical dietitians in health care facilities, community dietitians in public health centers or management dietitians in food distribution facilities.

Physical therapist assistants assist the physical therapist in treating patients. They may help them exercise, apply hot or cold packs, or perform special ultrasound or electrical treatments. They may help patients increase their strength and assist in developing treatment plans or keep track of the patient’s progress.

Athletic trainers help prevent injuries among athletes and help them recover from injuries. They are health care professionals that diagnose and treat injuries caused by stress to the musculoskeletal system. They are also trained to teach injury prevention methods to people who work in jobs that have a high demand of physical activity.