MAF heart rate training
By Runs for Cookies on July 17, 2014
I'd heard of MAF (maximum aerobic function) heart rate training a long time ago, and have always been curious, but have never had the patience to give it a try. Basically, the MAF method uses the 180-formula developed by Dr. Phil Maffetone to determine the maximum heart rate that you should be training at. . . .
Read more from MAF heart rate training at Runs for Cookies
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