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Excerpt — Heart Rate Training

Improve your endurance by knowing what affects your heart rate

One of the most valuable long-term pieces of information you can gather is resting heart rate.

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Technical difficulties in heart rate monitors may cause irregular numbers

Several conditions may cause your heart rate numbers to skip all over the place.

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Monitor heart rate to avoid overtraining and staleness

You can use heart rate data to indicate too much training in the early stages, what we refer to as acute overtraining, or overreaching.

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