Strong Support
descriptive
Even after 10 weeks of intense marathon training, experienced runners did not become more efficient at using oxygen while running at marathon pace — their bodies didn’t require less oxygen to run the...
30
0
Evidence from Studies
Supporting (1)
30
Community contributions welcome
30
Contradicting (0)
0
Community contributions welcome
No contradicting evidence found
Gold Standard Evidence Needed
According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.