I am working on a still rendered shot where I am trying to show to the spine in the form of scoliosis. Although I am having trouble getting the implants and rod I've placed on the spine to deform properly with my spine rig when I move it. I have attached some screenshot of the spine in it's regular form, when it's deformed, and the final image I am trying to mimic.
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For the Rod, I would probably use a long curve, with a CV placed at each joint along the Spine chain. Then create a cluster per CV, parenting each to their corresponding joint. With a circle extruded along the curve, you get a rod that bends with the spine, but this is a maya-only solution.
Alternatively, you could use smaller rods- one section per joint. Parent them to their base joint, and add an Aim Constraint so they point at the next joint in the chain.
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