This book has been approved by TWiEA - The World Isometric Exercise Association (www.TWiEA.com). Isometric exercise has been a part of almost every system of martial arts ever devised. Even before isometrics were studied scientifically, and modern science-based training techniques were devised they have been taught and practised in one form or another for thousands of years. It was the great Bruce Lee and his love of isometric exercise who ensured...