No it's not. A much better measure of fitness is how quickly your HR drops back to normal when you stop exercise. In the lab they look at 30 and 60 second numbers. If you go from 140 to 90 in 60 seconds you're fitter than someone who goes from 140 to 100 (assuming you both have the same RHR).
I agree w/AP, work on the hip.
The resting heart rate is affected by:
- sex (men are lower usually)
- physical fitness
- some drugs/medication
Some people simply have a higher/lower resting heart rate that cannot be attributed to any specific cause. Many scientific studies have shown that a resting heart rate really isn’t an effective way of measuring the health of a person.
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