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 15 of 18 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 15 Fire Hydrant Pulses After your final rep of Fire Hydrants, hold the knee at the top. Inhale and drop your knee down four inches. Exhale and lift your knee back up to the top. Repeat six times. Previous Next Start Slideshow Fitness GearHealthHome WorkoutsPilatesFull-Body Workouts15-Minute Workouts