We are always told to monitor our heart rate during exercise, but why?
Monitoring our heart rate tells us ether or not we are working within our cardio heart rate zone.
Here is how to determine your target heart rate zone: subtract your age from the number 220.
So, if you're 45, your target would be 175 (220 minus 45). Then, to find your low end target, just multiply by 60%. So, if you're 45, your low end would be 105. To find you high end, just multiply by 80%. So, if you're 45, your high end would be 140.
For more on heart rate and why it's important to monitor it, I stopped by Tilton Fitness to speak with personal trainer, Holly Malfitani.

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