A customisable fitness program created for middle aged adults who want to lose weight, revitalize energy, and build habits for increased longevity. Featuring ten completely new workouts for both Today's exercising adults are caught in a bind: Those who take it seriously and work out aggressively can end up with chronic aches and injuries because they don't know how to adjust their programs as they get older. And those who take it easy may end up with overfed, underdeveloped, injury-prone bodies.