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Heart Rate Zones - TCF Core Principle
Heart Rate Zones can be confusing. Some coaches use upwards of 6-8 zones. But are all those really needed? We don't think so!
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Archive for 15 May, 2017
Heart Rate Zones can be confusing. Some coaches use upwards of 6-8 zones. But are all those really needed? We don't think so!
05/15/2017 | | Matt Curbeau
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