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Uploaded by RunnersWorldTV on Mar 22, 2011
Polar: Own Zone
Sports
Standard YouTube License
if I'm in the middle of HIIT training- how will I gauge my after burn w/ a polar device?
teresanfitness 2 weeks ago
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if I'm in the middle of HIIT training- how will I gauge my after burn w/ a polar device?
teresanfitness 2 weeks ago