what percentage of your max hear rate do you guys usually use? 65% - 75%? i hear it takes 20 mins to even begin to burn fat if so, do you guys start timing after 20 mins or just do 45 mins the minute your in your target heart zone?
'Lurker at the threshold'
what percentage of your max hear rate do you guys usually use? 65% - 75%? i hear it takes 20 mins to even begin to burn fat if so, do you guys start timing after 20 mins or just do 45 mins the minute your in your target heart zone?
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