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Hi all, Was looking for a good reference on how to parameterize range-of-motion constraints for different joints in the human body. I am mostly coming at this from a computer animation point of view, so I am mostly ignorant to biomech literature. So, I have seen a fair bit of writing about...

Ya, the assumption that the whole spine is rigid gets violated pretty quickly. If the subject even slouches a little bit, then the model is overconstrained. That simple case we can handle, but if the subject twists their torso or goes into the fetal position, etc, then things get ugly. We tried...

Hi folks, I am not really a biomech eng, but am an animation researcher who is looking to build a model of the human spine (and surrounding tissue as necessary). Really, I have position and orientation information for the pelvis, cranium, and two humerus bones (and the position of their...