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v1
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Back to Study: Intentionally Slow Concentric Velocity Resistance ...
causal
Analysis v1
Strong Support

Lifting weights faster or normally gives you more strength gains than lifting weights very slowly, especially for healthy adults.

52
Pro
0
Against

Evidence from Studies

Supporting (1)

52

Community contributions welcome

52

Intentionally Slow Concentric Velocity Resistance Exercise and Strength Adaptations: A Meta-Analysis

Systematic Review With Meta-Analysis
Human
2023 Aug 1

This study looked at the same training methods as the claim and found that faster lifting speeds lead to slightly more strength gains than slower speeds, just like 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.

Source Study

Intentionally Slow Concentric Velocity Resistance Exercise and Strength Adaptations: A Meta-Analysis

Score: 52
DOI: 10.1519/JSC.0000000000004490

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Whether you're new to lifting weights or experienced, how fast you lift doesn't really change how much stronger you get. Both groups got a tiny bit stronger with fast lifting, but it wasn't a clear or big difference.

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If you're already trained in lifting weights, whether you use free weights or machines, you'll get about the same strength gains after 8 weeks—as long as you're lifting the same amount, at the same intensity, and moving through the same range of motion.

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For older adults between 59 and 76 years old, doing gentle strength training twice a week for 12 weeks makes them stronger but doesn't build much muscle size.

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