Brett Stewart

Build strength and sculpt your abs with this comprehensive guide to the sit-up.

Follow the seven-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.

Offering field-tested, day-by-day plans and more than thirty core-shredding exercises, this book has something for everyone: from beginners embarking on a new workout regimen to athletes looking to expand strength-training options.

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

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