The International Sports Sciences Association (ISSA) is a distance education institution and certifying agency committed to our students' fitness education and professional goals. Our highly acclaimed online Personal Trainer Certification program has been designed so that our students can turn their passion for fitness into a paycheck. ISSA's personal trainer education approach is backed by top fitness industry professionals throughout North America. The International Sports Sciences Association's Personal Trainer Certification advisors and authors are some of the most prestigious and respected names in the fitness industry. The years of scientific research they have conducted, in conjunction with the hundreds of professional publications and college textbooks they have authored, form the basis of virtually all exercise, physiology, nutrition, and fitness courses taught around the world.