Book excerpt: This books is "the most comprephensive and authoritative resource for you as a personal trainer, whether you are a newcomer to the field or have a well-established business. The book is truly a complete resource - it's full of information about working with clients and designing programs, and it's a practical guide to all aspects of the personal training business. .... [It] will help you in all aspects of your profession: learn applicable information on fitness testing and assessment ; identify your clients' goals and create fitness tests specifically for them ; learn how to develop cardiovascular, strength and flexibility training programs ; properly train and help special populations ; understand the business side of personal training, including marketing yourself as a trainer, getting and retaining clients, and learning time management ; learn how to expand your business." - back cover.