Popsugar Health & Fitness Butt Workouts 30-Minute At-Home Ab and Butt Workout These 8 Ab-and-Booty Combo Moves Make the Most Intense 30-Minute Workout 5 May 2021 by Jenny Sugar View On One Page Photo 1 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Bear to Knee Elevated Leg Extension Begin in a tabletop position, with your hands directly under your shoulders and your knees directly under your hips. Brace (engage) your core while lifting your knees two inches off the ground, holding the bear plank position. Extend your right leg straight behind you, ensuring it's parallel to the ground. Then bring it back in, coming back to the bear plank position. Repeat with your left leg. Continue alternating for 30 to 60 seconds, followed by a 15- to 45-second rest. Previous Next Start Slideshow Butt WorkoutsBeginner WorkoutsBodyweight WorkoutsAb Workouts30-Minute WorkoutsStrength TrainingWorkouts