This book has been approved by TWiEA - The World Isometric Exercise Association (www.TWiEA.com). Currently, the entire range of books written by Brian Sterling-Vete and Helen Renee Wuorio about the Bullworker, isometrics, and other related forms of exercise are the only books to have received this approval together with TWiEA's 5-Star Rating. At over 300 pages, The Bullworker Bible(TM) is the definitive resource guide for all Bullworker(R) users, and it's the companion book for The Bullworker 90(TM) Course. The Bullworker Bible(TM) is approved by the makers, and distributors of The Bullworker(R), at Bullworker.com. It is the complete science-based user-friendly guide of how the Bullworker(R) should be used properly to deliver maximum results. It also shows you how to effectively use the Steel Bow(R). The Bullworker Bible(TM) gives you all the information that you always wanted to know, but the simple wall charts and basic instruction manuals didn't provide. It tells you about essential repetition-compression and speed control, correct breathing techniques, how Hooke's Law of physics applies to The Bullworker(R), and about correct biomechanics to deliver the best results. The Bullworker Bible(TM) is also the essential guide for all users of the Bullworker X5, Bully Extreme, ISO 7x, and the Bullworker X7. Required Equipment: A Bullworker(R) Classic, or a similar device. Recommended Additional Equipment: Steel Bow(R), Bow Extension(R) kit, 2 x Iso-Bows(R), and the Bow Extension(R).