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Old 08-26-2005, 02:58 PM   #1
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Question Test your knowledge...A "riddle" for y'all!

Here's a good one: Do you know who burns more calories???

There are 2 women...
The first woman weighs 130 pounds and is 5'6", she runs for 30 minutes and her average heart rate is 145 beats per minute. She is working out at 6 in the morning before breakfast and it is 80 degrees out, and has had a big glass of water before she works out. Her body fat is 22% and she is 25 years old.
The second woman weighs 200 pounds and is 5'6", she walks for 30 minutes and her average heart rate is 145 beats per minute. She is working out at 6 in the morning before breakfast and it is 80 degrees out, and has had a big glass of water before she works out. Her body fat is 45% and she is 25 years old.

Assume neither women have a metabolic, thyroid or any other medical problems. Also assume that any other variables are the same for both women. Who burns more calories?

 
Old 08-26-2005, 03:23 PM   #2
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Re: Test your knowledge...A "riddle" for y'all!

I suppose the heavier woman has to work harder so burns more calories??

 
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Old 08-27-2005, 06:08 PM   #3
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Re: Test your knowledge...A "riddle" for y'all!

i agree with jkhopeful

 
Old 08-28-2005, 10:42 AM   #4
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Re: Test your knowledge...A "riddle" for y'all!

I would have to agree as well that the woman who weighs more at 200lbs. is the one who is burning more calories......just my guess.

 
Old 08-28-2005, 03:02 PM   #5
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Re: Test your knowledge...A "riddle" for y'all!

they both burn about the same amount.

 
Old 08-28-2005, 03:39 PM   #6
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Re: Test your knowledge...A "riddle" for y'all!

It's the second woman because more body mass requires more calories in order to maintain (higher BMR), and as a result, more calories are burned 24/7.
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Old 08-28-2005, 03:45 PM   #7
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Re: Test your knowledge...A "riddle" for y'all!

............................

Last edited by Geek_Kittie; 08-29-2005 at 05:38 AM.

 
Old 08-29-2005, 07:36 AM   #8
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Re: Test your knowledge...A "riddle" for y'all!

It's got to be the second woman.

It's like if you take two cars that are exactly the same and load up the second one with a bunch of phone books. The second car will end up using more gas than the first car because of the added weight even if they travel the same distance at the same speed...sorry for the dumb analogy but it was the best thing I could think of.
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Old 08-29-2005, 01:09 PM   #9
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Re: Test your knowledge...A "riddle" for y'all!

Time for the answer Steph@nie.

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Old 08-29-2005, 01:23 PM   #10
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Re: Test your knowledge...A "riddle" for y'all!

I was thinking that because they talk a bout heart rate. I mean the lighter person with the same heart rate will travel further in their run. The heavy person since there is more strain on the heart will be travelling slower because the heart also has to carry the weight. But the question which I'm not sure on is heart rate the only factor for calories burned? If thats so why do running machine etc ask you to put in your weight as well as taken your pulse to calculate you calories burned in a session. If it was alll down to heart beat they wouldn't need to?
Going on my gut I would say the heavy person burns more cals, but I'm not sure. Anyway lets have the answer.

 
Old 08-29-2005, 03:25 PM   #11
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Re: Test your knowledge...A "riddle" for y'all!

c'mon Stephie, tell us!!

google'd heart rate and came across this info:
http://www.heartmonitors.com/heart_rate_basics.htm

For ref, women age adjusted max HR, 226-age(25)=201 plus/minus 15===>216bpm. 70% target~151bpm.

runner, avg 145, assuming ~60's rest HR, peak~230(230+60=290, avg145).

walker, avg 145, assuming ~80's at rest, peak~210(210+80=290, avg 145).

huh? how does this work? seems both peaked above max HR. Was I right to assume they both burn the same?

 
Old 08-29-2005, 06:24 PM   #12
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Re: Test your knowledge...A "riddle" for y'all!

No. Higher body mass requires higher calories. I think Stephanie has forsaken us, but the answer is that the second woman burns more calories.
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Old 08-30-2005, 04:13 AM   #13
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Re: Test your knowledge...A "riddle" for y'all!

the heaver, 2nd, woman because she has more weight to bear, (not to be rude as I'm heavy too), and with that in mind she would burn more calories because of sweat ect?

 
Old 08-30-2005, 12:43 PM   #14
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Re: Test your knowledge...A "riddle" for y'all!

Hi everyone. Sorry to keep you in suspense!!! The answer is that the heavier woman burns more calories, but it is only because she burns more basally! At 200 pounds she burns more standing still than does the woman who weighs less, so at the same activity level, even though running takes more effort than walking does, they are at the same heart rate they burn the same during the exercise, but to add on the calories that they both burn basally, the heavier woman burns more during the workout.

 
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