ARE YOU READY TO SCULPT YOUR ABS? Follow the 7-week program in this book and you'll massively increase the strength and muscle tone of your core, back and obliques to such an extreme that you'll be able to do 300 consecutive sit-ups. Packed with clear charts and helpful photos,7 Weeks to 300 Sit-Ups tells you everything you need to know about the ultimate exercise for your core and includes: * Instructions on how to do a perfect sit-up * Easy-to-follow progressive training programs * Added challenges for extreme strengthening Offering field-tested, day-by-day plans and more than 30 core-shredding exercises, this book has something for everyone: from beginners embarking on a new workout regimen to athletes looking to expand their strength-training options.