RC03 – Optimum HIIT Cardio Training – 302 – Live Workshop Feedback You must first complete RC03 – Optimum HIIT Cardio Training – 101 – Welcome before viewing this LessonPlease sign up for the course before starting the lesson. Live Workshop Feedback RC03 - Optimum HIIT Cardio Training - 303 - Declaration & Certification Back to: RC03 – Optimum HIIT Cardio Training > HIIT Cardio 3