quantitative
Strong Support
For guys who lift weights, the leg press works the main quad muscle harder than the knee extension machine, based on electrical activity in the muscle.
34
0
Evidence from Studies
Supporting (1)
34
Community contributions welcome
34
Electromyographic Comparison of Five Lower-Limb Muscles between Single- and Multi-Joint Exercises among Trained Men.
Cross-Sectional Study
Human
2021 MarThe study found that the leg press activates the vastus lateralis muscle more than the knee extension in trained men, which is exactly 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.