Prosthetics

Timeline of artificial legs that go back to the famous so called pirate peg leg. And then right thru to the 90s.

But as technology had advanced so to have the artificial limbs, and are today called prosthetics. Some can be moved manually by using you're other human hand to open and close the prosthetic one so that you can pick up objects such as a mug of tea or a knife and fork. And also depending on you're current finances can unfortunately determine how advanced your prosthetic limb can be. 

From something as basic as these two images

Then to the more advanced mechanical computerised ones