Stand with your feet shoulder-width apart and lower your body into a squat position by bending your knees and pushing your hips back. Keep your back straight and chest up.
Place your hands shoulder-width apart on the floor and extend your legs behind you. Lower your chest towards the floor by bending your elbows, then push back up to the starting position.
Stand with your feet together and arms at your sides. Jump while simultaneously spreading your legs and raising your arms overhead. Jump back to the starting position and repeat.
Begin in a standing position, then squat down and place your hands on the floor. Kick your feet back into a plank position, perform a push-up, and then jump your feet back towards your hands.
Get into a plank position with your arms straight. Bring one knee towards your chest, then quickly switch legs, as if you are "climbing" a mountain.
Stand in place and quickly bring your knees up towards your chest, alternating legs as if you are running in place.
Use a jump rope and skip rope, lifting your feet off the ground with each jump. If you don't have a jump rope, mimic the motion without the rope.