Exercise can be categorized by its emphasis on maintaining exoskeleton health versus achieving physiological benefits.

“because I the way I think about exercise in it like all things there's a Venn diagram but there are certain exercises that we are doing where the emphasis is on the exoskeleton so maintaining muscle mass maintaining functional movement maintaining bone density and doing so free of pain and then there are some aspects of exercises you alluded to where really what we're doing is talking about physiologic benefits we're talking about what it's doing to the micro vasculature what it's potentially doing to the mitochondria what it's doing with other hormones for example BDNF and the role that that plays in the brain”