C.H.E.K. Institute - The C.H.E.K Institute offers exercise education and fitness products for strength and conditioning experts, rehabilitation specialists, personal trainers and fitness enthusiasts worldwide.

Classical Stretch - Specializing in videos from the television show of the same name. Topics include arms and abs, osteoporosis and back pain relief.

ExRx.net LLC - Fitness and exercise information including diet, nutrition, exercise, sports and weight training. Includes a muscle directory.

Fit For Life - Preventive health and fitness videos, books, and other products, for older adults.

Fitness - Offering arobic and strength-training videos, filmed in Hawaii. Also offers clothing.

Functional Fitness LLC - Comprehensive exercise programs (videos and booklets)designed to improve strength, balance, mobility and functional performance. Programs specifically developed for individuals with dementia, incontinence, balance and mobility problems and muscle weakness.

Get Fit Crew - Featuring a DVD and workbook containing a program geared for teens.

GMV Productions - Whether it's bodybuilding, aerobics, muscle wrestling, power lifting or strength, GMV offers variety, quality and visual stimulation.

Hot Point Fitness - Offering an audio training system. Includes a section for frequently asked questions.

Phil Kaplan - Offering fitness, diet and nutrition information, books, videos, and cassettes.

PureAthlete.com - A program to train and develop fast-twitch muscles. Offers catalog and online sales of manuals, kits, booklists, and routines.

Tamilee Webb - A fitness trainer offering videos, books, nutritional counseling and fitness products.

Water Works - Water workout videos, cassettes, CDs, and books for aquatic fitness and pool exercise. Includes aqua fit instructional workshops and aquatic therapy.

Results supplemented by dmoz, open directory project.