1. Aerobics!
Great for instructors! Contains a library of aerobic patterns, basic step moves, events and more.

2. Pino Fitness - Choreography
Another good page for instructors. Has great, fresh new steps.

3. American Counctil on Exercise Online
The homepage of the organization with information on certification, a monthly fitness newsletter, and a great Fit Facts page.

4. Cybercise
A page devoted to fitness, including a fitness forum where you can find answers to many fitness related issues, aerobic-specific information, a special teacher's corner, and a section devoted to fitness.

5. Fitness World
Page with information for both fitness professionals and fitness enthusiasts. Contains references, chat areas, and product info.

6. Shape Up America
Contains safe weight management and physical fitness tips.

7. The Fitness Library
Great information on exercise, nutrition, weight management, book reviews, and more.

8. The Fitness Zone
Fitness forums, articles, fitness library, products, and more.

9. Just Move! The American Heart Association Health and Fitness site
Page with all types of great fitness advice.

10. Healthy Ideas
A Guide to healthy living. Many great features including a sections on health and healing, weight loss and fitness, and cooking and nutrition.