Old 12-05-18 | 05:57 PM
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From: Malvern, PA (20 miles West of Philly)

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Originally Posted by redlude97
Generally, we are not limited by the ability to get oxygen to the blood, but rather from the blood into the muscles. https://www.ncbi.nlm.nih.gov/pubmed/10647532
Correct. Lungs have much redundancy in them. So unless you have underlying lung disease like COPD or asthma etc., it’s unlikely your lungs are limiting you. It’s likely your cardiac output.
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