How to Become a Certified Aerobics Instructor. Aerobics instruction is a great way to keepin shape while earning extra money. Your chancesof getting a job are better if you are certified. You will need A computer with internet accessAerobics classes First Aid and CPR certificationStudy materials Teaching experience and gymaccess . Step 1. Find certificationinformation on the web from national organizationssuch as the American Council on Exercise,the Aerobics and Fitness Association of America,or the American College of Sports Medicine. Step 2. Experience a full range of aerobicsby taking different types of classes, includingstep, water, kickboxing, and high- and low-impactaerobics. Most gyms have day passes if youwant to try out different classes. Step 3. Enroll in a CPR and first aid class to getcertified. This training is usually requiredto receive certification in aerobics instruction. Step 4. Study anatomy, exercise physiology,and kinesiology. Most certification programshave a written exam covering these areas. Step 5. Get teaching experience by organizinga class at home or by co-teaching at a gym. Step 6. Apply for certification to be an aerobicsinstructor. Once you’re certified, you canstart looking for a job that will bring youa lot of satisfaction and earned income. Didyou know Studies have shown that 30 minutesof exercise a day can make you a happier person.