2inspireU #170 by Shawn Alex Nemeth | Oct 29, 2014 | 2inspireU | 0 comments “Thirty-second sprints, every three to four minutes during a ten- to fifteen-minute cardio session, are great for conditioning the heart.” Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.
