Exercise is good for your health, and even people with chronic diseases and disabilities can benefit from it as long as they follow the advice of a medical professional. An exercise physiologist helps at-risk patients maintain and improve their health... moreExercise is good for your health, and even people with chronic diseases and disabilities can benefit from it as long as they follow the advice of a medical professional. An exercise physiologist helps at-risk patients maintain and improve their health through rehabilitation and specific fitness programs. They often work with people who struggle with heart disease, diabetes, and other chronic, potentially life-threatening conditions.