Calories burned in hot vinyassa yoga class?

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Does anyone have any suggestions for tracking calories burned in a hot yoga class that includes lots of movement (and sweat!)? I know the default in the database is too low because I used to wear a heart rate monitor to class and found I was burning about 2.5x more than what the database said. But, I don't really like wearing the monitor for yoga, plus sometimes I attend slightly less intense classes than when I was wearing it so I can't use information from previous classes. Any suggestions?

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  • vorgas
    vorgas Posts: 741 Member
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    It doesnt burn any more calories than a regular yoga class of the same movement intensity (maybe 5 calories more or so).

    Heart Rate Monitors are able to calculate calorie burns by measuring the volume load placed on your heart during steady state aerobic exercise (like jogging, biking, etc).

    Yoga is not steady state. It is mildy aerobic. Your HR is responding to constrictive loads, not volume loads. In a hot class, it is pushing more blood to create sweat, not pushing more oxygen. The sweat is from an external factor, not an internal factor, so it is not a reliable measurement either.

    Personally, any yoga teacher who told me hot yoga burned more calories than normal yoga is somebody who clearly doesnt understand basic physiology, and I wouldnt trust anything they told me.
  • demoiselle2014
    demoiselle2014 Posts: 474 Member
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    Hot yoga makes people feel like they are working extra hard, but that's an illusion created by the heat.
  • brianpperkins
    brianpperkins Posts: 6,124 Member
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    First of all, a HRM is useless for caloric estimates from yoga. Second, according to testing done by Colorado St. University hot yoga burns about the same number of calories as walking for the same length of time.
  • Hornsby
    Hornsby Posts: 10,322 Member
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    An hour of yoga, around 200-250 based on my results.
  • bluefish86
    bluefish86 Posts: 842 Member
    edited July 2015
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  • Hornsby
    Hornsby Posts: 10,322 Member
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    bluefish86 wrote: »

    That is pretty over exaggerated there. I would expect that though since it's a yoga site promoting yoga.
  • brianpperkins
    brianpperkins Posts: 6,124 Member
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    http://www.news.colostate.edu/Release/7359

    Based on the comparison to calories burned from walking, it appears the researchers reported gross rather than net calorie burns.
  • Hornsby
    Hornsby Posts: 10,322 Member
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    http://www.ncbi.nlm.nih.gov/pubmed/25141359

    Good study for Bikram Yoga.

    90 minute session - varied from 179 to 478 kcals
    Participants were guided through a standardized 90-min yoga class performed in a hot environment using Bikram's Standard Beginning Dialogue, while expired gas was collected and heart rate was recorded.