Popsugar Fitness Workouts Danielle Collins's Full-Body Tennis Workout Get a Taste of Pro Tennis Training With Danielle Collins's Functional Full-Body Workout September 3, 2019 by Tamara Pridgett View On One Page Photo 4 of 7 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Superset 2, Exercise 2: Squat Jump To make it harder, do this exercise while holding two dumbbells by your sides or one dumbbell at your chest. 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. That's one rep. Do five reps. Previous Next Start Slideshow Strength TrainingAthletesTennisTrainer TipsEditor ExperimentsIntermediate Workouts45-minute WorkoutsFull-Body WorkoutsUS Open