HomeAnswersCardiologyheart rateWhy is there a change in heart rate in the initial days of gymming?

There is a change in heart rate after joining gym. Why?

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There is a change in heart rate after joining gym. Why?

The following is an actual conversation between an iCliniq user and a doctor that has been reviewed and published as a Premium Q&A.

Answered by

Dr. Isaac Gana

Medically reviewed by

Dr. K. Shobana

Published At September 26, 2017
Reviewed AtDecember 11, 2023

Patient's Query

Hello doctor,

I am a 400 lbs, 35-year-old male who did not exercise before but I just started going to the gym in the past week. The first three days my maximum HR was 150 on the treadmill, but I felt fine and would do 40 minutes on it. But today I did only for 30 minutes because I started to feel a little dizzy and my HR went up to 158. Why is that?

Answered by Dr. Isaac Gana

Hello,

Welcome to icliniq.com.

I understand your concern. It is normal for the heart rate to go as high 300 bpm. You are exercising the wrong way according to your weight. You have to start exercising by taking a five-minute walk on the treadmill before gradually increasing the pace to a speed of 5/6 for 10 to 15 minutes. You should do this routine for two weeks before gradually increasing the duration to 20 minutes. Increase the speed gradually as you get used to. You get the dizzy feeling because your heart will have to pump more blood as you run, which it is not used to. You will overcome this feeling as times goes on.

Thank you.

Same symptoms don't mean you have the same problem. Consult a doctor now!

Dr. Isaac Gana
Dr. Isaac Gana

Cardiology

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