Lumbar ligaments

When I set BM_TRUNK_LIGAMENTS to ON in BodyModel.defaults.any, the axial and shear forces experienced by all lumbar joints increased dramatically, from 20 to 100N.Why did this ligament switch make such a big difference ? Thank You!

Hi @john1

The ligaments in the trunk are somewhat experimental - you will probably need to verify the parameters and most certain you will need to calibrate them using a calibration study.

We have a tutorial on how to work with ligaments here

Best regards,

Thank you for your help. Good luck!

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