[Peteris]

Agree that it can't provide the precision we need for arbitrary complex actions.

Disagree about the physiological concern. Provided your elbows are resting on the table, it would be easy to get used to. Humans would adapt and it would be healthier than our current much talked about static postures.

[muraiki]

Until the compression of the ulnar nerve results in cubital tunnel syndrome, that is... http://en.wikipedia.org/wiki/Ulnar_nerve_entrapment