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Why muscles have to work in pairs?

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Anonymous

13y ago
Updated: 5/17/2023

Skeletal muscles only pull in one direction. For this reason they always come in pairs. When one muscle in a pair contracts, to bend a joint for example, its counterpart then contracts and pulls in the opposite direction to straighten the joint out again.

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Immanuel Cremin

Lvl 10
2y ago

What else can I help you with?