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Electrodiagnostics on the healthy body. Part 1, Upper extremity. Public Domain Mark. Source: Wellcome Collection.
Public Domain Mark
You can use this work for any purpose without restriction under copyright law. Read more about this licence.
Credit
Electrodiagnostics on the healthy body. Part 1, Upper extremity. Public Domain Mark. Source: Wellcome Collection.
A demonstration of Faradic and Galvanic electric currents on individual muscles; also shown in slow motion. The involuntary reactions of the subject are shown, often movements of the arm or twitches. 4 segments.