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Prosthetic arm use: eating a restaurant meal

Prosthetic arm use: eating a restaurant meal

M610/0052

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Credit

PETER MENZEL / SCIENCE PHOTO LIBRARY PETER MENZEL / SCIENCE PHOTO LIBRARY

Caption

Ranch owner (at left) eats a restaurant meal, with the aid of a "myoelectric" prosthetic arm. His artificial right arm worn with a hand, is battery powered. Small electrodes placed on the skin at the site of amputation, sense the electrical activity of the remaining arm muscle. These muscle signals are electronically amplified and are used to move the prosthetic arm and hand as required. It gives the user fine control over the limb, and the ability to use the arm slowly or quickly, with precision and varying strength. Here, it is used to hold and maneuver a fork. The "myoelectric" arm was developed at the University of Utah, USA. Photograph of Bob Goodman and girlfriend.

Release details

Model release available. Property release not required.

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