Popsugar Fitness Fitness Gear 15-Minute Full-Body Pilates Ball Workout A Pilates Ball Is the Only Prop You Need For This Full-Body Workout June 1, 2020 by Victoria Moorhouse View On One Page Photo 14 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Fire Hydrants: Side Booty Activation Keep the ball behind the left knee, and pop down onto your right forearm — staying lifted on your left hand. As you exhale, open the left knee out toward the side of the room. Inhale to drop it back down in line with your right knee. Repeat six times. Previous Next Start Slideshow Fitness GearHealthHome WorkoutsPilatesFull-Body Workouts15-Minute Workouts