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the claim
Static stretching requires holding a position for a specific duration for flexibility gains
the verdict
SUPPORTED
the evidence backs this
confidence 92/100

Scientific evidence consistently supports the premise that static stretching requires holding a position for a specific duration to achieve meaningful flexibility gains.

Evidence for · 4
The Effect of Time and Frequency of Static Stretching on Flexibility of the Hamstring Muscles
1997 · cited by 563
Paper [0] demonstrates that stretch duration is a key factor in improving hamstring flexibility, identifying 30 seconds as an effective duration.
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More for · 3
The Effect of Time on Static Stretch on the Flexibility of the Hamstring Muscles
1994 · cited by 505
Paper [1] confirms that flexibility gains depend on stretch duration, showing 30 and 60 seconds are more effective than shorter intervals like 15 seconds.
Effect of stretching duration on active and passive range of motion in the lower extremity.
1999 · cited by 201
Paper [4] finds that holding stretches for longer durations (15 seconds versus 5 seconds) results in greater improvements in active range of motion.
Static stretching duration-dependent changes in flexibility, muscle oxygen saturation, and blood flow in the forearm flexors.
2026 · cited by 0
Paper [10] shows that varying the static stretching duration leads to duration-dependent changes in range of motion and stretch tolerance.
The paper trail · every fact has a biography
first checked02 Aug 2026
judged → SUPPORTED · 9202 Aug 2026
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