Knee degrees of freedom

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1

Hi
I want to ask how much degrees of freedom the knee has.Some knee osteoarthritis patients may have more than one degree of freedom during walking.Can the knee joint open more degrees of freedom in the Anybody? And the correct inverse dynamics analysis can be performed.Thank you in advance.

Best wishes
zzs

2

Hi, zzs

The normal human knee joint has 6 DOFs.
The AnyBody Modeling System assumes the Knee joint as a hinge joint which only has one DOF (Flexion and Extension) by default.
image

You can open more DOFs using FDK methods. https://anyscript.org/tutorials/ForceDependentKinematics/index.html

Best Wishes,
Lee

1 Like
3

Hi Lee
Thank you very much，I will go through the tutorial again.

Best wishes，
zzs

4

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