English, asked by deeepu2200, 1 month ago

Which of the two muscles work in pairs by contraction and expansion?

Answers

Answered by yvkmadgula
0

Answer:

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.

Answered by ashwin2207
0

Answer:

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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