Swamped at home, and craving exercise but you can t spare a minute for the treadmill, much less get motivated to set an incline? Our solution? Total Workout in Ten, developed by the editors of Women s Health Magazine.  Broken into four 10-minute sessions, this intense workout allows you to customize your burn based on your time, energy level, and target zones. Exercise for one 10-minute block or combine the routines to build a full-body workout.