That's interesting but doesn't sound like much of a prosthetic to add to the proposed legless astronaut corps(tm). Somebody must have studied this. Effect of

That's interesting but doesn't sound like much of a prosthetic to add to the proposed legless astronaut corps(tm). Somebody must have studied this. Effect of G-forces on amputees, perhaps there's less in the way of nutrition and oxygen needs. For that matter, I wonder what tests have been done to find natural differences in resource depletion depending on the individual, that sounds like an obvious selection point for a Mars mission or any other long-term isolation.