Popsugar Fitness Workouts 20-Minute Workout From a Trainer I'm a Trainer, and This Is the 20-Minute Workout I Swear by When I'm Short on Time May 1, 2019 by Tamara Pridgett View On One Page Photo 3 of 11 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 3 Squat Jump Start in a squat with your arms by your sides. Swing your arms to the ceiling, and jump. Land quietly as you return to the squat position. This completes one rep. Do 15 squat jumps before moving on to plank walks. Previous Next Start Slideshow WorkoutsStrength TrainingBodyweight ExercisesButt ExercisesIntermediate WorkoutsFull-Body Workouts20-Minute WorkoutsArm ExercisesAb ExercisesLeg Exercises