Stand with your feet shoulder-width apart, lower your body by bending your knees and pushing your hips back, then return to the starting position.
Start in a plank position with your hands shoulder-width apart, lower your body by bending your elbows until your chest nearly touches the ground.
Get into a push-up position with your hands directly beneath your shoulders, engage your core and hold your body in a straight line from head to heels.
Step forward with one leg and lower your body until both knees are bent at a 90-degree angle, then push back up to the starting position.
Stand with your feet together and your arms at your sides, then jump up while simultaneously spreading your legs and raising your arms overhead.
Start in a standing position, squat down and place your hands on the floor, jump your feet back into a plank position, do a push-up, jump your feet back to the squat position.
Get into a plank position with your hands directly beneath your shoulders, bring one knee towards your chest, then quickly switch legs while keeping your core engaged.
Stand in place and alternate lifting your knees towards your chest as high as you can while pumping your arms. Continue at a quick pace for multiple reps.
Sit on the edge of a sturdy chair or couch with your hands gripping the edge, slide your hips off the edge and bend your elbows to lower your body towards the ground.
Lie on your back with your hands behind your head, lift your shoulders off the ground and bring one knee towards your opposite elbow while extending the other leg straight.