PopsugarFitnessWorkoutsWorkout For Fat LossGrab a Pair of Dumbbells, and Get Ready to Burn Fat With This 40-Minute HIIT Workout February 5, 2019 by Jenny Sugar View On One Page Photo 13 of 15 ADVERTISEMENT () Start Slideshow Share This LinkCopy ← Use Arrow Keys → 13 High Knees Beginning with your right knee, run in place while lifting your knees high to the level of your waist. Engage your abs as your knees come up, and pump your arms to warm up your upper body. Lifting your right and then your left knee counts as one rep. Perform 12 reps (24 total high knees).PreviousNext Start Slideshow WorkoutsStrength TrainingHIIT WorkoutsIntermediate WorkoutsDumbbell Workouts45-minute Workouts
