Personal trainer Trista Barker works out on a "range of motion" (ROM) machine at RomGym Honolulu on Ward Avenue. The machine offers an eight-minute, full-body workout. The second half of the routine — ...

THE FITNESS INDUSTRY is littered with too-good-to-be-true claims of quick results, but one begs to be at the top of the list: an exercise machine that delivers a full-body workout, incorporating ...