Popsugar Fitness Workouts Waist Exercises Here's How to Work and Tone Your Waist May 10, 2019 by Susi May View On One Page Photo 13 of 31 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 13 Push-Up to Side Plank Begin in plank position; bend your elbows lowering into a push-up. Straighten your arms and lift your left arm toward the ceiling, twisting into a side plank to make a T shape with your body. Rotate back to plank, placing your left palm on the floor. This completes one rep. Perform another push-up, but this time as you straighten your arms, rotate to the left lifting the left up. Return to plank. Previous Next Start Slideshow WorkoutsStrength TrainingAb Exercises