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Odd question

Thread Status: Hello , There was no answer in this thread for more than 60 days.
It can take a long time to get an up-to-date response or contact with relevant users.

JCooke

New Member
Feb 24, 2008
171
3
0
I have been a runner most of my youth, but now I'm knocking on 40 and I have never really asked this question.

What tells the body that their are working out and increases your over all fitness, body building is a break down and repair but what about cardio?????

Never really thought about it.

Thanks Jason
 
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I'd tell cardio is also muscle building. Your heart gets stronger and can move more blood easier at slower pace.
 
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I see that....but there must be more chemistry to it. Is it CO2 related..or does the brain recognize the O levels and adjusts.
I guess I'm looking for the core response that tells the body to "get in shape".
This might be bigger than a simple response.

Jason
 
There are indeed certain differences between the cardiac muscle (it is an involuntary striated muscle) and most other muscles, but the chemistry is quite similar, and I'd tell the mechanism of strength and volume build-up is rather similar too. And yes, all muscle work is CO2 and O2 related. If you are interested in chemistry formulas, and in some more science, have a look for example at this article: pH Buffers in the Blood or enter some fitting expressions into Google - there are plenty of articles and documents about the cardiac muscle, and about other related topics.
 
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