The videos on their press page are stunning. Especially the ankle rotation video.
https://www.marsbioimaging.com/mars/media-pack/
https://drive.google.com/file/d/1JyRdqyU-j5PambGUgfs4Cx5uKf3...
https://www.marsbioimaging.com/mars/media-pack/
https://drive.google.com/file/d/1JyRdqyU-j5PambGUgfs4Cx5uKf3...
You can get that with a Dicom station and 5 minutes, or for free using Osirix at home and trial/error if you are not used to CTs.
Ask for the CD next time you get a scan, or download one of the many examples, and play with Osirix.
I’m looking up the things you mentioned and they’re interesting, though. I’d love to see imaging and home-computed assessments become a bigger part of the “quantified self” movement.