Popsugar Health & Fitness Body Weight Cardio and Ab Workout If "Working Out More" and "Getting a 6-Pack" Are Your 2019 Goals, Do This 30-Minute Workout 3 January 2019 by Jenny Sugar View On One Page Photo 1 of 12 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 High Knees Hold your hands at waist level. Hop the right knee up toward your hands, then quickly switch legs and hop the left knee up. This counts as one rep. Keep going for 60 seconds. Previous Next Start Slideshow Body WeightBodyweight ExercisesBodyweight WorkoutsCardio WorkoutsWorkoutsAb Exercises