Joint pain was the deciding factor to quit the pft program for me. Sisco advocates using all machines since this is the safest way to handle huge amounts of weight. Unfortunately my shoulders and knees couldn't handle that kind of weight, even on machines. I used his online trainer called...
Just my 2 cents...I tried powerfactor training for about 7 months after a friend of mine emailed me a copy of the ebook. I was also started a cycle of m1t and sust 250 at the same time. Probably not the best way to test either the cycle or the training. I did get bigger, added about 23...