"No time to exercise? No problem. Instructor Keli Roberts is your guide through five hyperefficient strengthening and toning workouts inspired by military boot camps -- and each takes only 10 minutes to complete. So do them all or do just one or two … the mix is up to you. Individual segments include "Basic Training," "Ultimate Buns and Thighs," "Arm and Shoulder Sculptor," "Washboard Abs" and "Fat-Burning Blast." "