*Free Shipping in the US	Great Moves 411: Aerobic Engineering Marcus Irwin If you're a "teach not preach" instructor, this is the video for you. Marcus, renowned for his breakdown and teaching techniques, will share his methods and secrets with you. Learn how to find the lowest common denominator in any aerobic combination and build it logically and effortlessly from the ground up. A must for the advanced aerobic instructor. (1998) Our Price: $ 14.95 International customers can order the PAL version of this video for $3.00 extra.   Marcus Irwin Director/Owner of "Exercise Executives" International Presenter/Lecturer World Aerobic Champion Produced and appeared in 12 fitness videos Also Available from This Instructor: