You just need to find a little motivation to get going, and this 30 ... challenge takes less than 15 minutes each day, but it's meant to inspire healthy habits and give you the momentum to start ...

On day one the challenge starts with 15 sit-ups, five crunches, five leg raises and 10 seconds of planking, but over the course of 30 days you'll find yourself able to do more exercise.

When it comes to working out, your body weight is all you really need to firm up your entire frame ... total-body exercises. Crush the 30-day challenge, and you'll reap major physical rewards.

So roll out your mat and jump into this 30-day ab challenge. Whether you’re a seasoned pro when it comes to core work, or the only sit-up you’ve ever done has been to get out of bed ...

Take a small step every day for 30 days to build ... one daily challenge at a time. Each task is based on science, and over time, each new habit can add up to meaningful changes in your life.