you're the multitasking type, you want your workouts to be three things — fast, efficient, and effective. Well, multitaskers, you're in luck: We've designed seven quick, equipment-free workouts that can be completed in five minutes tops, so you can squeeze in some exercise while you're waiting for the coffee to brew or for your love interest to text you back. If you're feeling extra ambitious, combine all seven circuits for a 35-minute total-body blast. 5-MINUTE ABS WORKOUT *1 minute static plank hold *30 second side plank (left side) *30 second side plank (right side) *30 V-ups *30 Russian twists *30 bicycles 5-MINUTE BUTT AND LEG WORKOUT *30 squat jumps *20 lunges (each side) *30 sumo squats *20 jumping lunges …Repeat X2! 5-MINUTE CHEST AND BACK WORKOUT *20 push-ups *20 tricep push-ups *20 supermans *1 minute plank hold …Repeat! 5-MINUTE CARDIO WORKOUT *1 ...