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Upper limb

The movement and function of the arm and hand are very complex and extremely difficult to replicate with prosthetic components.

Elbow, wrist and finger joints can be moved into bent or straight positions manually, by body harnesses or by using external power that is activated by using electrical signals from muscles. In some cases this can be a combination of these systems. Once in position, objects can be gripped or stabilised so that tasks can be carried out.