Metabolism
Kimegatron
Posts: 772 Member
Just a random question that popped into my head... How does one accurately measure their metabolism? I'm sure it's done at a doctor's office, but how? Blood test? A physical?
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Silly question but... can you just tell me? I'm at work and MFP is allowed, but if I go to an unapproved site, I could get in trouble. Surprisingly, Pinterest is also allowed. Yay!0
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Kimegatron wrote: »Just a random question that popped into my head... How does one accurately measure their metabolism? I'm sure it's done at a doctor's office, but how? Blood test? A physical?
I had mine measured at a sports clinic. It involved breathing into a machine for 15 minutes while resting. It measures the oxygen used and calculates calorie burn from that data.0 -
Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.0
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Not that many places have that kind of equipment, fewer still know how to operate/interpret it correctly, and the BMR for the majority majority of people is accurately predicted by the standard equations.0
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Check the exercise department at a local university. Many of them offer tests for a fee, using a MedGem or similar equipment. The test isn't accurate unless you follow the requirements closely (no coffee or exercise before, etc). Find out the requirements before you test.0
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Are you familiar with how energy is produced aerobically in the body? Your cells all provide oxygen and fat or glucose to mitochondria that turn that into energy. The ratio to of oxygen used to molecules of fuel burned is pretty consistent, so the amount of oxygen you're using is directly related to the energy you're burning.Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.0 -
Are you familiar with how energy is produced aerobically in the body? Your cells all provide oxygen and fat or glucose to mitochondria that turn that into energy. The ratio to of oxygen used to molecules of fuel burned is pretty consistent, so the amount of oxygen you're using is directly related to the energy you're burning.Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
You da man Sen!0 -
Cherimoose wrote: »Check the exercise department at a local university. Many of them offer tests for a fee, using a MedGem or similar equipment. The test isn't accurate unless you follow the requirements closely (no coffee or exercise before, etc). Find out the requirements before you test.
Thank you! I will check if Wayne State has something like that... That would be really cool!0 -
Are you familiar with how energy is produced aerobically in the body? Your cells all provide oxygen and fat or glucose to mitochondria that turn that into energy. The ratio to of oxygen used to molecules of fuel burned is pretty consistent, so the amount of oxygen you're using is directly related to the energy you're burning.Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
That is really interesting! I'm sure I have learned how the energy is produced at some point in high school... That was long time ago, so I can't remember. How cool!
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Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
Fat cells, when you lose weight, are converted to carbon dioxide and exhaled. That's where your weight goes. So I guess that's why breathing would measure your metabolic rate.0 -
atypicalsmith wrote: »Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
Fat cells, when you lose weight, are converted to carbon dioxide and exhaled. That's where your weight goes. So I guess that's why breathing would measure your metabolic rate.
I'm going to pretend that what you mean is, exhaling makes you lose weight, so I am going to exhale and inhale really quickly and pass out until work is over, AND lose weight. If only...0 -
Kimegatron wrote: »atypicalsmith wrote: »Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
Fat cells, when you lose weight, are converted to carbon dioxide and exhaled. That's where your weight goes. So I guess that's why breathing would measure your metabolic rate.
I'm going to pretend that what you mean is, exhaling makes you lose weight, so I am going to exhale and inhale really quickly and pass out until work is over, AND lose weight. If only...
ROFL!!!!0 -
I think I just lost 2 pounds just now, feeling light headed...0
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If you can find a place that does MEDGEM testing (used to do it at my previous place of work) they seem to be quite accurate.
A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 30 years and have studied kinesiology and nutrition
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If you can find a place that does MEDGEM testing (used to do it at my previous place of work) they seem to be quite accurate.
A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 30 years and have studied kinesiology and nutrition
Thank you! I'm not sure what state my metabolism is at, but it doesn't hurt to check! I get annual thyroid checks because I have had 2 positives before(3 negatives), and I get annual diabetes checks (immediate family has/had it), and well I just like to get checked for stuff. I might see about getting a complete blood work at some point. I'm curious to see where I'm at for stuff like cholesterol and protein, stuff like that!0 -
Kimegatron wrote: »
Are you familiar with how energy is produced aerobically in the body? Your cells all provide oxygen and fat or glucose to mitochondria that turn that into energy. The ratio to of oxygen used to molecules of fuel burned is pretty consistent, so the amount of oxygen you're using is directly related to the energy you're burning.Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
That is really interesting! I'm sure I have learned how the energy is produced at some point in high school... That was long time ago, so I can't remember. How cool!
Try this.
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BTW - your metabolism will be normal.
I promise.0 -
Why not just accurately track calories in and weight loss and just calculate TDEE? It's a lot cheaper and probably more useful.0
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Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
lol nothing weird to it
and i did this a dozen times ( on a testing program)
Doctors/Clinics have it..some sport accommodations, some weight management coaches etc
You have the RMR test and the VO2 max ( fitness)
For many athletics this is even a regular test. At least were i come from and the projects and programs i was in.
And the test aren't that expensive you can google were they can do it were you life...it will be around the 50 to 100 dollars per test.
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https://en.wikipedia.org/wiki/Doubly_labeled_water
And watch this when you get home (really cool):
https://www.youtube.com/watch?v=KA9AdlhB18o 0 -
Fat cells aren't converted, fat molecules, do eventually end up as carbon dioxide and water when used as fuel.atypicalsmith wrote: »Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
Fat cells, when you lose weight, are converted to carbon dioxide and exhaled. That's where your weight goes. So I guess that's why breathing would measure your metabolic rate.
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nordlead2005 wrote: »Why not just accurately track calories in and weight loss and just calculate TDEE? It's a lot cheaper and probably more useful.
It has nothing to do with that. I'm just curious and interested0 -
SergeantSausage wrote: »BTW - your metabolism will be normal.
I promise.
If I do check out one day and it's not, you owe me money0 -
Not for the amount I'll pay for the test, I just want money lol0
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If you can find a place that does MEDGEM testing (used to do it at my previous place of work) they seem to be quite accurate.
A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 30 years and have studied kinesiology and nutrition
Med gem only measures oxygen, not carbon dioxide, so it has a higher degree of error than a metabolic cart. Most RDs that I have talked to that bought a Medgem stopped using it after a while because it wasn't appreciably more accurate than their prediction equations.0 -
Fat cells aren't converted, fat molecules, do eventually end up as carbon dioxide and water when used as fuel.atypicalsmith wrote: »Kimegatron wrote: »Oh how weird!! Do you think an internist would have something like that? How does it measure calories burned in your oxygen from breath, to determine the level at which your metabolism works? What is this alien technology!?!? I want to try it.
Fat cells, when you lose weight, are converted to carbon dioxide and exhaled. That's where your weight goes. So I guess that's why breathing would measure your metabolic rate.
Please forgive me for saying it's fat cells instead of fat molecules. I'll be more careful in the future.0 -
I go to a weight loss and metabolic center that's part of my husbands hospital. They did a zillion tests including the metabolism one that you keep in your mouth for 15 min. All covered by insurance. Finally losing weight after months of struggle. Met a fabulous dietician Friday that has helped me with meal planning since I'm on a super low carb diet. Your hospital may be a resource.0
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