Im an Exercise PhysiologistHeres Why You Shouldnt Worry About Cortisol Spikes When You Do HIIT Workouts.
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Shop now:Garmin Vivoactive 3, $120
Does Dancing Count as Cardio?
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When it comes to tracking your health, the Vivoactive 3 doesnt take any shortcuts.
Youll know thy stress as well as how high your heart rate got during your fifth round of burpees.
Happy sweating, everyone.

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Start using your watch right away with these tips for how to read your heart rate:
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