Book excerpt: Ultimate Flexibility is the book you've been waiting for. More than a collection of exercises or an explanation of technique, Ultimate Flexibility is a complete guide to stretching for martial arts, from the very basics of why you should stretch to detailed workout guidelines for every style and level of martial arts practice.Written by acclaimed author and martial artist Sang H. Kim, Ultimate Flexibility is your guide to achieving maximum flexibility in your training. Begin with an in depth look at the hows and whys of flexibility and stretching.