Popsugar Fitness Workouts Jen Selter Lower Body and Butt Workout Work Out Your Lower Body and Butt Like Fitness Model Jen Selter — No Equipment Required June 24, 2018 by Nicole Yi View On One Page Photo 2 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Warmup Exercise 2: Side High Knee Stand up straight and place your feet about hip-width apart. Quickly drive your right knee up with a hopping motion, while bringing your alternate elbow to 90 degrees. Continue on the same leg for 10 reps, staying on the ball of your foot the entire time. Make sure you are engaging your abdominal muscles as your knee comes up. Repeat on the other side and complete three circuits total of this entire warmup. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight ExercisesBodyweight WorkoutsButt WorkoutsButt ExercisesBooty GainsLeg Workouts