Exercise of the week - Push ups
Place your toes and hands on the floor, making sure your back and arms are straight. Keep your hands slightly more than shoulder-width apart and tighten your abdominal muscles.Inhale as you lower yourself to the floor, stopping as your elbows reach a 90-degree bend. Keep your body from touching the floor.Exhale and push yourself away from the floor. Don't lock your elbows, and don't bend your back.