The path of the human to become super-human is inevitable, Super-humans presently are our astronauts that are exploring ways and means to release us into outer space.
We argue that the next logical step to this evolution is for the human to attach 2 more arms. At this moment they may be exoskeletons but if we resolve it will be inevitable that a biological arm can be grown externally with ones own cells and surgically attached.
These pictures deal only with the aesthetic and leaves much for imagination.
Imagine! What could you do with four arms with respect to mundane activities and if you are a astronaut how it will help you in space walks.