Shaking your muscles gently with a special machine 1–3 times a week for 15 minutes each time, over 3 months, might make older adults with muscle loss stronger—without making their muscles bigger.

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Pro

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Against

Evidence from Studies

Supporting (1)

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Community contributions welcome

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Effects of local vibrations on skeletal muscle trophism in elderly people: mechanical, cellular, and molecular events.

Cohort Study

Human

2009 Oct

The study gave older adults with weak muscles 300 Hz vibrations on their thighs for 12 weeks, starting with once a week and going up to three times a week. Their muscles got stronger, but didn’t get bigger—just like the claim said.

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

Effects of local vibrations on skeletal muscle trophism in elderly people: mechanical, cellular, and molecular events.

Score: 24

DOI: 10.3892/IJMM_00000259

Similar Assertions

When older adults with muscle loss do 12 weeks of gentle vibrating therapy on their muscles, their muscle cells start changing how they use energy, repair muscle fibers, and handle stress — like turning on better internal maintenance modes.

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