How do prosthetics work?
Prosthetics or artificial limbs allow amputees to regain function resulting from the loss or absence of a limb. Prosthetic limbs are classified according to the level of amputation: above the knee, below the knee, above the elbow, and below the elbow. Preference in terms of prosthetic use and selection is often based on considerations for functionality, aesthetic, and or health concerns.
Click here to read full article https://interestingengineering.com/the-basics-of-prosthetic-limbs-and-how-they-work