descriptive
Analysis v1
Strong Support
Horses don’t grow new muscle cells as adults—they just make the ones they have bigger.
1
0
Evidence from Studies
Supporting (1)
1
Community contributions welcome
1
Muscle hypertrophy and its relevance to horses
Narrative Review
Animal
The study shows that adult horses get stronger by making their existing muscle fibers bigger, not by adding new ones — which matches what the claim says.
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.