Popsugar Fitness Workouts 20-Minute Lower-Body Burn Workout Have 20 Minutes to Spare? Challenge Yourself to Ariel Belgrave's Lower-Body Burn Workout August 30, 2021 by Samantha Brodsky View On One Page Photo 1 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Jumping Jack Stand tall with your legs together and arms at your sides. Bend your knees slightly, and jump into the air. As you jump, spread your legs to be about shoulder-width apart. Stretch your arms out and over your head. Jump back to your starting position. Repeat for 40 seconds. Rest for 10 seconds. Previous Next Start Slideshow WorkoutsStrength TrainingHome WorkoutsBodyweight ExercisesBodyweight WorkoutsButt WorkoutsGIF ExercisesIntermediate Workouts20-Minute WorkoutsLeg Workouts