Ah, there is one from 2018:

Robotic exoskeletons: The current pros and cons

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6153133/

Of course you more often need upper limb or back support systems, they are much cheaper:

https://exoskeletonreport.com/product-category/exoskeleton-c...

So, there you go.

To strain the metaphor.