Rating: 
Summary: New address.
Review: I have previously written 2 reviews further down on this page. Read and believe only the latter, written on April 11, 1999.
Rating:
Summary: Some good concepts but mostly misleading
Review: I followed the power factor training program for 3 months and noticed a large rise in my power factor and power index. When I went back to a full range motion workout, I was no stronger than I was 3 months ago. The measurement in terms of power factor and power index is something I like and still do. The concept of strong range partials however is misleading. Of course one can improve his or her power factor faster with partial lifts. I also did not like the fact that there was only 10 or so exercises in this book.
Rating: 
Summary: A Breath of Fresh Air
Review: This book does an excellent job of presenting facts based in sciencific evidence, research notations and logic without the hype of personal opinions, rumours and/or stoic traditional thoughs. A must read book if you are interested in getting big & strong without injury with faster results than others using conventional methods. The charts and graphs can be copied to better log your progress. No one should proceed without arming oneself with such knowlege in bodybuilding.
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Summary: The most efficient and revolutionizing book ever written.
Review: I must admit that at first I didn't believe a word about PFT: training as seldom as once a week and acheiving resluts that previously only were imaginary?... I thought: "No way, this can't be done!". How wrong I was...After having trained according to PFT for only five weeks my arms, my calves and my thighs had grown by an inch and my chest by 1,5 inch; I was also able to benchpress about 30 Ibs more than prior to my training according to PFT; I had gained 12-14 Ibs of muscles. It's fantastic, not to mention the enormous amount of time I have saved (before I trained for 1,5-2 hrs five times a week; now I train for about two hrs a week). By all means, by this book, it's really wortwhile. However, I advise you to keep the following in mind: 1. Read the book thoroughly before you start training. People who claim that this book is not efficient, have usually neglected to read carefully about all the important principles of this method of training . 2. You should have trained according to othodox training principles for at least 18 months before you start with PFT, otherwise your muscles may not be able to support such enormous overloading. 3. You will be very bored and won't know what to do for all the hours you used to train during, but do NOT attempt to train more often that the book directs you to, that is three times a week for about 3-5 weeks, then twice a week for 5-8 weeks, then once a week only. The book's creed is: Rest & Grow! 4. Forget about the gym as a place to socialize. 5. Lots of people will think you are strange or that you are cheating whilst training. Nevermind them, and remember the look at their faces when they see the tremendous results you'll have achieved after only a few weeks.
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Summary: Wow, This Really Works!
Review: partial training is the most optimal, way to weight train. The others who gave this book a bad review, must not have followed the instructions properly. If they had, they too would have experienced the huge strength and size gains of this method of training! This talk of needing a full range of motion to develope the whole muscle is not correct. The authors of this book have proven this to my satisfaction. This is a great book. Buy it today!
Rating:
Summary: The logic expounded by this book is inescapable and sound.
Review: For far too long the Bodybuilding world has been subjected to too much supposition; bad advice; and plain old nonsense. This theory and its' application gets past that madness. Why is it that every other sport can and is so accurately and precisely measured for efficiency when we, as dedicated athletes have only our subjective (and often very flawed) 'feelings' and 'assumptions' to depend upon for the purposes of our sport?. It seems that those who are finding this difficult to deal with are content to hang on to a pseudo-science that should have been put aside years ago. This methodology is an attempt to introduce rationality and sanity in a world where the conventional wisdom dictates no more nor less than the complete opposite. And apart from this; the system works!!.
Rating: 
Summary: Flawed Pseudo-Science
Review: The authors' concept that partial reps using heavy weights provide maximal stimulation to muscle growth is groundless as is their arbitrary training measures ie power factor. A misguided and potentially dangerous work. They also take the words of other authors eg Fred Hatfield out of context in attempts to support their program. Despite their claims to developing a quantitative and scientific method of bodybuilding, their program provides neither. Read with caution.
Rating: 
Summary: You should read this book...
Review: This book does make a few really good points. I don't think that the exercise regimen will produce gains in all exercises performed when you use the authors training philosophies, but it will help in quite a few. I noticed great improvement in all of my single joint exercises like the donkey calve raise, barbell shrugs and bicep curls and I had impressive results when performing leg presses, too. But this training philosophy failed when I performed most multijoint exercises, like the bench and shoulder press. I give this book high marks, because I am a hard gainer and the knowledge I gained from this book helped me to improve parts of my physique, after being unable to attain even a small improvement over the last 3 years. I recommend that other people take a look at it, because the book offers another viewpoint in the world of bodybuilding. In other words, you never know until you try something out and this book deserves a look.
Rating: 
Summary: Flawed reasoning
Review: While alot of their ideas are revolutionary and extremely interesting, their essential foundation -- the indexes -- are based on faulty logic and invalid assumptions. I'm not saying that you can't gain on this program. But, because the theory is some aspects simply invalid, you may have an incorrect view as to how you made your gains and stay at plateaus. Look for Andrew Baye's article on Power Factor Training at this site for a more in-depth explanation.
Rating:
Summary: Not so fast...
Review: When first reading this book, most of the ideas seemed extreme and unorthdox, but the promise of such results was enticing enough for me to try something new and start the power factor workout. After convicing a friend to try this partial-rep, high-weight system, we trained consistently and effectively for two months in this manner. To our happiness we noted that our Power Factor and Power Index (the book's numerical index of strength, basically) had gone up. Way up. We were making great progress with every workout and our Power Factor numbers were skyrocketing. What we were worried about was whether our partial-rep training would transfer into full-range rep strength. To our dismay, it didn't. After two months of dedicated, disciplined Power Factor training with Power Factor and Power Index numbers that had gone through the roof, I had lost two pounds, and my ability to do full-range reps had noticeably decreased. My max on bench press had dropped about 20 pounds and I had comparable losses in other exercises. My training partner, who had made similar gains in Power Factor and Power Index, also had lost considerable full-range strength and saw his bench press-max drop 30 pounds. Basically, Power Factor training made me very good at lifting heavy weights a distance of about 4 or 5 inches. As far as strenghthening my whole muscle, it failed miserably. When I see other reviews by people who had phenomenal results it makes me wonder, because all the radical, new views the authors take now seem like a bunch of hot air to me.
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