There are many online classes that are really helpful. Fit moves Here is an interesting site to follow. Choreography exchanges, video clips, spinning database, fitness articles, sample programs, and personal training tips. Turn Step Patterns fot step aerobics, many useful articles for the preparation of your choreographies. Also useful if you are beginning an aerobics dance program and you do not know the names of the moves.
Instructors can pick materials to teach their participants about the very basics.
The main organizations that provide professional advice or certifications. If you are looking for a National or International certification for teaching aerobic dance or becoming a personal trainer, this is the most recognized organization. You can get their free newsletter and read professional articles online as well as trying new recipes. This site is also about your future in the fitness profession and also offers certification in health and fitness. Another place for instructors and certification.