Lifting heavy weights for six weeks changes specific proteins in the muscles of fit young men. This suggests their muscles are switching to a way of making energy that doesn't require oxygen.

39

Pro

0

Against

Evidence from Studies

Supporting (1)

39

Community contributions welcome

39

Muscle fiber hypertrophy in response to 6 weeks of high-volume resistance training in trained young men is largely attributed to sarcoplasmic hypertrophy

Cohort Study

Human

2019

The study looked at muscle changes in young men after 6 weeks of intense weight training and found more proteins related to energy use and muscle building, which supports the claim.

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.

Source Study

Muscle fiber hypertrophy in response to 6 weeks of high-volume resistance training in trained young men is largely attributed to sarcoplasmic hypertrophy

Score: 39

DOI: 10.1371/journal.pone.0215267