This move is great for your glutes. Start by standing with feet shoulder-width apart on the ground. While tightening your core muscles and feeling the weight in your heels, lower your glutes back while raising your arms behind you. As you squat, use your arms to help you explosively jump into the air. Make sure to land gently with your knees bent to avoid knee injury. Do not have your shoulders lean past your knees, as this may strain your back. Repeat 10 reps.