HR very high during first mile, afterwards gets back to normal
by sergio vieira
HI. I have been doing the MAF training for 1 year, using the wrist HR monitor from my watch. Recently I started using a chest HR monitor and noticed that during the first mile my HR is spikes very easily, requiring me to walk to bring it back to my MAF level. After the first mile, I can run at the usual pace. Is this normal?
Hi Sergio, the most likely reason for a high heart rate at the start of a run is probably that you didn't warm up enough.
If the body is not properly warmed up, then there is a reduced flow of blood to the muscles . This means that as soon as you start to exercise, your body tries to get more blood to the muscles quickly, by diverting it from your major organs such as your heart and lungs. This causes a stress to your heart, hence the increase in heart rate.
The best solution is to do either a longer warm up to what you are doing (aim for 15 minutes) or do your warm up at a slower pace. This will give your muscles and blood vessels time to prepare themselves for the activity ahead.
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