Edited for About.com by a certified personal trainer, this guide to exercise covers -- through articles and specific routines -- all aspects of fitness, from weight loss training programs and nutrition calculators to strength workouts, from beginners to seniors.

From the editors of Prevention.com comes this mini-portal focused primarily on exercise and fitness practices for women. The content is attractive and the articles cover a broad range of topics, with a particular emphasis of "soft" fitness approaches.

An excellent reference guide to many aspects of fitness and training. It offers detailed information on topics ranging from the various exercise machines to biomechanical deficiencies of the human body. Also featured are a variety of fitness calculators.