If you've been wondering why you aren't getting results from your current ab exercises and why your back hurts after you do them then you need this free bonus book.
The exercises listed here are those that have been tested over and over to be the most effective at developing all the different layers of abdominal muscles to make you look and feel great once and for all.
You'll finally feel good about doing your ab exercises because you'll know exactly what to do, and it works!
Bonus to the "Pilates: Relief for Back & Joint Pain"