tag:blogger.com,1999:blog-8859713880931244491.post8348370309138046713..comments2023-04-13T08:14:10.801-07:00Comments on Stay Fit and Healthy: P90X Lean Phase 2: Day 48 - Kenpo XJoshttp://www.blogger.com/profile/14287256656227478955noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-8859713880931244491.post-14567151260183283492010-03-19T08:45:06.623-07:002010-03-19T08:45:06.623-07:00after i've been working out for quite a while,...after i've been working out for quite a while, it takes more intensity for me to get my heart rate up too. that just means that your cardiovascular system is getting really good and you are building endurance! :)Anonymousnoreply@blogger.com