The Claim
Four weeks of progressive calisthenic push-up training has no significant effect on pectoralis major muscle thickness in healthy, moderately trained men, even though it leads to significant gains in strength.
What the research says
Supports is higher
Support is ahead, but a single strong opposing study can change this.
These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.
Doing push-ups for four weeks won’t make your chest muscles thicker, even if you get stronger at doing them.
See the scientific wording
Four weeks of progressive calisthenic push-up training does not significantly increase pectoralis major muscle thickness in healthy, moderately trained men, despite significant strength gains.
What the research says
1 studyStudy: Effect of Progressive Calisthenic Push-up Training on Muscle Strength and Thickness
The study found that doing progressive push-ups for four weeks made men stronger but didn’t make their chest muscles thicker — which is exactly what the claim says.
Score breakdown, mechanism chain, raw evidence, ideal studies needed & 1 supporting studies
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.