Resting Heart Rate: The Engine's Efficiency Metric
We track our steps, our calories, and our hours of sleep, but one of the most vital metrics often goes ignored: your Resting Heart Rate (RHR). This single number, usually measured when you first wake up, is a powerful indicator of your overall cardiovascular health and fitness level.
What is Normal?
For most adults, a normal resting heart rate ranges between 60 and 100 beats per minute (bpm). However, just because 90 is "normal" doesn't mean it's optimal.
Why Lower is Often Better
Generally, a lower RHR implies more efficient heart function and better cardiovascular fitness. For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats per minute.
Why? Think of your heart as a muscle (because it is!). As you exercise, particularly with cardio and endurance training, your heart muscle becomes stronger and larger. A stronger heart pumps more blood with every single beat (stroke volume). Because it is pumping more blood per beat, it doesn't have to beat as frequently to maintain blood flow throughout your body.
How to Improve Your RHR
If your heart rate is on the higher end, don't panic. The best way to lower your RHR over time is through consistent aerobic exercise—walking, running, cycling, or our HIIT classes here at the gym. Stress management and good sleep hygiene also play crucial roles.
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