RC03 – Optimum HIIT Cardio Training – 201 – Specifics: Introduction You must first complete RC03 – Optimum HIIT Cardio Training – 101 – Welcome before viewing this LessonPlease sign up for the course before starting the lesson. HIIT Cardio Specifics: Introduction RC03 - Optimum HIIT Cardio Training - 102 - Course Structure RC03 - Optimum HIIT Cardio Training - 203 - Specifics: Practical Application Back to: RC03 – Optimum HIIT Cardio Training > HIIT Cardio 2