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Their feet become slippery when they sweat so the powder also know as chalk makes their feet less swlippery.

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12y ago
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9y ago

The chalk helps them maintain their grip and also keeps their hands dry (so they can maintain their grip).

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6y ago

A gymnast rubs the powder rosin on his hands to increase the friction between his hands and the parallel bars. This will give him a better grip on the bars.

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6y ago

he rubs powder to have a better grip

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Q: Why does a gymnast rub powder on his hand before exercising on a set of parallel bars?
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