If young, healthy guys do strength training for 12 weeks using different types of muscle contractions—whether slow or fast—they’ll get significantly stronger in their thigh muscles, no matter which style they pick.

47

Pro

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Against

Evidence from Studies

Supporting (1)

47

Community contributions welcome

47

Comparison of the Effects of Eccentric, Concentric, and Eccentric-Concentric Isotonic Resistance Training at Two Velocities on Strength and Muscle Hypertrophy.

Randomized Controlled Trial

Human

2020 Feb

The study gave young men different types of leg exercises for 12 weeks and found that all of them made their legs much stronger—by 25% to 41%—no matter if they pushed up fast, slow, or let the weight come down slowly. So yes, the claim is right: lots of ways to train work.

Contradicting (0)

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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

Comparison of the Effects of Eccentric, Concentric, and Eccentric-Concentric Isotonic Resistance Training at Two Velocities on Strength and Muscle Hypertrophy.

Score: 47

DOI: 10.1519/JSC.0000000000003086

Similar Assertions

Lifting weights slowly (eccentric) or quickly (concentric) both make your quads stronger in about 10 weeks — and you don’t need to be sore or damaged to get stronger.

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82%

If young, healthy guys lift weights for 12 weeks, their muscles get stronger at moderate speeds — like kicking or swinging — and they can generate 13% to 32% more force, no matter how they did the lifting.

47

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80%

We don’t have enough proof to say whether lifting weights slowly or quickly, or pushing down vs. lifting up, is better for building stronger or bigger thigh muscles in young, healthy guys after 12 weeks of working out.

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76%

When untrained men get stronger in a static leg press, the main reason is that their thigh muscle near the hip gets bigger and its fibers angle more, which helps push harder.

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75%

Getting stronger at lifting weights doesn’t make you much stronger at pushing or holding something still — they’re like two different kinds of strength, not just one ability measured two ways.

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75%