Lifting weights more often each week can help you get stronger, but after a certain number of sessions, doing even more doesn’t help much more.
Scientific Claim
Higher weekly resistance training frequency is associated with greater strength gains in young, mostly male adults, with diminishing returns observed, indicating that spreading training across more sessions can enhance strength, but only up to a point.
Original Statement
“In contrast, the posterior probability for strength was 100%, suggesting strength gains increase with increasing frequency, albeit with diminishing returns.”
Evidence Quality Assessment
Claim Status
overstated
Study Design Support
Design supports claim
Appropriate Language Strength
association
Can only show association/correlation
Assessment Explanation
The study uses probabilistic inference but cannot establish causation due to unknown randomization status. The verb 'suggests' is used in the source, but 'increase' implies causation and must be replaced with 'associated with'.
Evidence from Studies
Supporting (1)
The Resistance Training Dose Response: Meta-Regressions Exploring the Effects of Weekly Volume and Frequency on Muscle Hypertrophy and Strength Gains
More frequent weight training helps young men get stronger, but only up to a point—after that, extra sessions don’t help much more.