At Walter Reed National Military Medical Center, researchers are testing a new prosthetic hand that, instead of using surface electrodes on the skin, employs an implantable myoelectric sensor system directly into the muscles to give the wearer greater control. Army Sgt. 1st Class Ramon Padilla Munguia, the second person worldwide to test the technology, can now bend and move his new bionic hand and fingers in different ways and has been able to learn how to play golf.

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