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Turnstep: Aerobics Frequently Asked Questions
At this website from Turnstep, find brief responses to several questions on aerobic activity and training, workout intensity, exercise-related injury, proper eating, and ideal weight. Questions include: "What is aerobic exercise?" "How...
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Personal Trainer and Group Fitness Instructor Certificate
This site tells of a correspondence course that you can take to become certified. It also has information on career opportunities.