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erector spinae for spinal extension and quadratus lumborum for spinal abduction

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12y ago
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11y ago

Technically, the intercostal muscles aid in exhalation, but the diaphragm is said to have no antagonistic muscle counterpart because air will exit without the use of a muscle.

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9y ago

That is one of the best question! You have that six pack muscle on the abdomen to antagonise the erector spinae muscles. It is called as rectus abdominis.

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14y ago

The iliacus, iliopsoas, or psoas.

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11y ago

buttock muscle

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Q: What is the antagonist muscle in a sit up?
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