Heart rate monitors & R.P.E. (sounds exciting! oh golly gee!).
Hi MizFit, I saw somewhere you dont use a heart rate monitor. what do you do instead? thanks!!! I am a complete child as this email triggered a vivid and muchtimekilling daydream sequence in my head. One where the emailer heard I didnt use a heart rate monitor when Jillian discussed it on an episode [...]







Wednesday, January 14, 2009
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