Q: I have always struggled to keep my heart rate down, and I don't know if it's something nutrition-related (food and hydration), or an aspect of training I'm not hitting enough (aerobic base, aerobic threshold, etc.) but it's hard to train at a certain level if your body won't let you. I can see how it could tie in to something I'm doing/not doing from a nutrition perspective.
A: Training with a heart rate monitor (HRM) is a very important and useful tool for any endurance athlete. A HRM gives a glimpse of what is occurring inside the body during a workout and helps an athlete make the most of each workout.
Training by heart
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