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Why can’t I get my heart rate up?
Posted on April 10, 2014 Leave a Comment
My friend and I went to my favorite kickboxing gym, CKO, last weekend. We both wore our heart rate monitors to track our heart rates and calories expended. At the end of the one hour fun, but grueling class, my Polar heart rate monitor stated that I burned 415 calories, but my friend only burned […]
