How To Use Heart Rate Training In Your Workouts - Why To Work Out With A Heart Rate Monitor

Work out smarter by listening to your heart -- literally. Experts explain how to use heart rate training to make exercise more effective.
Work out smarter by listening to your heart -- literally. Experts explain how to use heart rate training to make exercise more effective.

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How To Use Heart Rate Training In Your Workouts - Why To Work Out With A Heart Rate Monitor