Why to humans tend to scrunch up their face when moving a heavy weight?

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During my gym session this morning, I was thinking about why I feel a natural impulse to screw up my facial features during particularly heavy lifts.

If I consciously decided not to let my features distort I can more or less left heavy with relatively calm features but why is the natural inclination to ball up our face like a baby with wind? Does it actually provide any kind of benefit?

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5 Answers

Anonymous 0 Comments

Your body is unable to manipulate specific muscles individually one by one. And ‘groups’ tend to take over…say for example clench only your thigh muscle…then your opposite bicep, then your crotch…eventually everything just clenches up simultaneously. And you really want this to happen this way. As bones hold us up structurally it’s the muscles that keep it all together. The more ridged the entire body the more overall strength it’ll have. You can train yourself not to do this…such as folks can train themselves to wiggle their ears and other muscular displays.

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