MILITARY TIMES --- New research may allow greater control of prosthetic limbs for those who need them. Researchers at George Mason University in Virginia are studying the use of ultrasound technology to help people with prosthetic limbs use them more accurately. The traditional method senses muscle activity using electrodes that pick up the electrical activity of muscles in the residual limb as the person works to move the prosthetic.
The drawback with using electrodes is that they can't differentiate between the signals from the muscles in the forearm that control the fingers.
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