Video Fitness: consumer guide to exercise videos
Video Fitness contains reviews of over 1000 exercise videos by consumer reviewers, plus advice and motivation from a large community of home exercisers.
www.videofitness.com/   reviews

Traditional Taekwon Do and other Martial Arts
Traditional Taekwon Do and other Martial Arts ...
www.bl.physik.tu-muenchen.de/~k2/budo_english/   reviews

Yoga basics.com
www.yogabasics.com/   reviews

Guidelines for Personal Exercise Programs
Developed by the President's Council on physical fitness and sports.
www.hoptechno.com/book11.htm   reviews