Cardio Make time to do at least 30 minutes to an hour of cardio every day (with rest or “light” days as needed). When you can’t get to the gym or do a full work out, take the stairs, jog in place, or do any physical activity with enough vigor to make you work up a sweat. Walking Jogging Running Elliptical trainer Stair-climber Stationary bike or spinning Kickboxing Jumping Rope Swimming High Intensity Interval Training (HIIT) These exercises work your core, upper, lower body and scorch calories while improving your balance, strength, and agility. Perform the following activities for 45 seconds each followed by 15 seconds of rest after each move: High-knees jog in space Jump squats Burpees Mountain climbers Alternating side lunges Forearm plank Plank jacks Core Strength Training Strengthening your core will make your belly flatter and more toned. Try these moves to work not just your abdominals, but your entire midsection: Plank Side plank Crunches Bicycle crunch Leg raise (laying flat) Ab tuck (with ball) Hanging knee raise