Give an example of the 2nd class lever in the body
The gastrocnemius pulling the Achilles tendon to cause a person to stand on tip toe
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eraser
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shark
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gift
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lifesaver
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Define the origin, the insertion and the belly of the muscle.
The origin is where it connects to the more stationary bone, the insertion is where it connects to the more movable bone, the belly is is the widest and contain