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zaphod

How many planes are there in a hinge joint(elbow) and ball and socket(shoulder)

  • one year ago
  • one year ago

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  1. zaphod
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    @heena @Diyadiya

    • one year ago
  2. ShotGunGirl
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    The hinge joint is shaped to restrict movement to one plane. This is why the elbow can't bend very far.

    • one year ago
  3. ShotGunGirl
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    Oops sorry didn't see that one: The ball-and-socket joint allows movement in three planes. This why a shoulder moves to freely..

    • one year ago
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