Illustration by Duchenne to show that faradisation of the common extensor muscle of the fingers only causes extension of the first phalages on the metacarpals and the hand is extended on the forearms. The last two phalanges remain flexed. Published in Duchenne, G.-B.: Physiologie des mouvements demontree a l'aide de l'experimentation electrique et de l'observation clinique, Paris : Bailliere, 1867. Related images: M0014477, M0014478, M0014479, M0014480, M0014481, M0014482, M0014483, M0014484, M0014485, M0014486, M0014487, M0014488