why did a lab experiment w/ students showed an increase in pulse rate as mass increased when they exercise?

why did a lab experiment w/ students showed an increase in pulse rate as mass increased when they exercise?

is that suppose to happen. notice i said the pulse rate was higher in larger persons after they exercised than the smaller persons. why?

Because the heart has to work extra hard to keep up with the added mass load of body weight.

This entry was posted on Friday, October 30th, 2009 at 6:12 pm and is filed under exercise pulse. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “why did a lab experiment w/ students showed an increase in pulse rate as mass increased when they exercise?”

Sabah on October 30th, 2009 at 11:34 pm

Heart has to work harder to get the blood pumped throughout a larger body… It takes more time to oxygenate a larger body than a smaller?
References :
536soulmate on October 31st, 2009 at 12:14 am

Because the heart has to work extra hard to keep up with the added mass load of body weight.
References :

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