PopsugarFitnessWorkouts45-Minute Full-Body Dumbbell HIIT WorkoutFor a Major Muscle-Building Challenge, Try This 45-Minute Dumbbell HIIT Workout December 11, 2020 by Maggie Ryan View On One Page Photo 3 of 12 ADVERTISEMENT () Start Slideshow Share This LinkCopy ← Use Arrow Keys → 3 Warmup Exercise 3: Jumping Jack Start standing with your feet hips-width apart and your arms at your sides.Jump your legs out as you simultaneously swing your hands out to the sides and overhead. Keep your core pulled in toward your spine and land softly as you jump.Jump back to the starting position.Continue for 30 seconds.PreviousNext Start Slideshow WorkoutsStrength TrainingTrainer TipsIntermediate WorkoutsDumbbell Workouts45-minute WorkoutsFull-Body Workouts
