Break a Sweat With 17 Quiet, Bodyweight Cardio Moves That Won't Annoy Your Neighbors

NASM-certified personal trainer Holly Roser said she loves this simple but effective move for quiet, indoor cardio.

• Start with your feet hips-width apart.
• Kick your right leg to the side as fast as possible and as high as possible.
• Replace your foot on the ground.
• Continue for 20-30 reps, then repeat on the left side.