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Torque of human arm when bending

  1. Jun 5, 2013 #1
    To find the respective torque that is need to bend the the arm at 180 degrees, 90 degrees and 30 degrees. The arm is not holding anything.

    Relevant equations and information

    total arm weight =3.35kg
    upper arm length =19cm
    forearm length =28cm
  2. jcsd
  3. Jun 6, 2013 #2


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    welcome to pf!

    hi mdp_somebodeh! welcome to pf! :wink:

    show us what you've tried, and where you're stuck, and then we'll know how to help! :smile:

    (start with 180°)
  4. Jun 6, 2013 #3


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    This is bending at the elbow, right? Don't you need to know the orientation of the upper arm?
  5. Jun 25, 2013 #4
  6. Jun 26, 2013 #5


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    sorry, too difficult to read :redface:

    can you type it out, please? :smile:
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