GYM JOURNEY CARDIO Course Information Course Instructor admin Author CARDIO Low Intensity Steady State (LISS) Lesson 1 of 2 within section CARDIO. You must enroll in this course to access course content. High Intensity Interval Training (HIIT) Lesson 2 of 2 within section CARDIO. You must enroll in this course to access course content. Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment.