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Why are at least 2 muscles …

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Why are at least 2 muscles needed to move a bone at our joint in one direction
  • 1 answers

Sahil Kumar 7 years, 5 months ago

Musles move body parts by contracting and then relaxing .Your muscles can pull bones, but they can't push them back to their orignal postion . So they eork in pairs of flexors and extensors . The flexor contracts to bend a limb at a joint.
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