Popsugar Health & Fitness Fat Burning 40-Minute Home Workout A CrossFit Coach Created This 40-Minute Home Workout to Torch Fat and Build Muscle 23 January 2019 by Jenny Sugar View On One Page Photo 4 of 4 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Step-Ups Find a step or a bench that, when you place your foot squarely on it, your knee is at a 90-degree angle or larger. Step up with the right foot, then the left, bringing both feet completely onto the bench. To return to the starting position, lead with the right foot to step down to the floor, then the left, until ending with both feet on the ground. This counts as one rep. Switch legs, stepping up with the left foot. Continuing alternating step-ups for 30 seconds. Previous Next Start Slideshow Fat BurningBeginner WorkoutsCrossFit30-Minute WorkoutsCardio WorkoutsStrength TrainingWorkouts