Dramatic cultural changes have occurred in the areas of food, nutri tion, and health in the United States. Today, the clarion call is for fitness with "trim-muscular" in and "skinny-pale" out. The "me generation" has turned into a robust health seeking "we generation," with emphasis on group participation in an ever-increasing array of health clubs. Com bined with this renewed interest in fitness is an increasing acceptance of technology, which has resulted in the expectation of a high quality of life through the use of technology rather than through its banishment as was the case in the late...