7 Weeks to 300 Sit-Ups: Strengthen and Sculpt Your Abs, Back, Core and Obliques by Training to Do 300 Consecutive Sit-Ups [Paper
|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.