Does Stretching Prevent Injury?拉伸能防伤吗 · 一个粘人的迷思

Place · Level 3 · Movement

拉一拉防受伤几乎没用 · 真正把受伤砍掉约三分之二的是力量训练 · 拉伸有它自己的用处, 但不是这个

Where the myth comes from

Stop 1/5

迷思从哪来 · 一个太合理的直觉

'Stretch before exercise so you don't pull something' is probably the most widespread, most deeply held piece of advice in all of fitness. School PE, gyms, sports teams — nearly all treat pre-game stretching as the standard injury-prevention ritual. But when research actually tested it, the answer surprised many: stretching's effect on preventing sports injury is small enough to be all but negligible.

This island's job is to separate this myth from what actually works — not to say stretching is useless, but that its usefulness lies elsewhere, not in 'injury prevention'.

First, why the myth is so sticky — its intuition is just too reasonable:

'Tight muscle → easily strained, so loosen it first': sounds self-evident. But there's no research-confirmed causal chain from 'better flexibility' to 'less likely to get injured''Pre-game ritual': stretching is visible, doable, and makes you feel 'I prepared' — psychologically reassuring. The reassurance is fine, but don't mistake psychological comfort for physiological protection'My elders and coaches all taught it': a piece of advice repeated long enough gets assumed true, and few people circle back to ask 'has it actually been tested?'
There's also a counter-intuitive detail, expanded later: prolonged static stretching before exercise (holding a position still) actually briefly reduces your strength and power (Behm 2016). So the 'stretch before the game' ritual not only barely prevents injury, it may dock your subsequent performance.

This is exactly the judgment the island trains: however reasonable an idea sounds, however widely it spreads, circle back and look — is it actually supported by evidence? The next scene turns to what the evidence says.

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