[oarfish]

Yes, because the stimulus is novel if youve never done yoga before (e.g. a bunch of isometrics). That is not an indication of it being useful exercise for the outcomes of interest.

[lm28469]

Yes of course, but I assume people on hn are more health focused than big muscles focused

[oarfish]

In many ways those are the same thing up to a point. Although strength is probably more predictive of health than muscle size.