. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . Long. Flexor Halluc. Long, f Extensor Digitorum\ Communis Brevis. rMOIOR FOINTS OF TRUNK AND LIM3S. Fig. 24. ELECtRO-DiAGNOSlS FOR THE GENERAL PRACTITIONER. 22; the wrist. Connect this electrode with the positive pole of ahigh tension induction coil apparatus. Take any ordinary sponge-covered hand electrode, moistenit with warm water, and rub it a few times over a cake ofsoap. Connect it wdth the negative pole, and pass it up anddown, and over every portion of the arm of the patie
. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . Long. Flexor Halluc. Long, f Extensor Digitorum\ Communis Brevis. rMOIOR FOINTS OF TRUNK AND LIM3S. Fig. 24. ELECtRO-DiAGNOSlS FOR THE GENERAL PRACTITIONER. 22; the wrist. Connect this electrode with the positive pole of ahigh tension induction coil apparatus. Take any ordinary sponge-covered hand electrode, moistenit with warm water, and rub it a few times over a cake ofsoap. Connect it wdth the negative pole, and pass it up anddown, and over every portion of the arm of the patient, fromthe shoulders to the finger-tips. The proper current strengthmust first be found. Switch the 800 yard No 32 coil, rapidvibrator, and three cells, into circuit. After contact is madewith both electrodes, increase the current in the secondarycircuit from zero until it produces some visible contraction Flexor Dig. Subl. 11 and III. Ulnar Nerve. [Flexor Dig. Subl. I and IV. Ramus Volaris Prof. \ N. Ulnaris. | Palmaris Brevis. Abdnefor Dig. Min. Flexor Dig. Min. Cpponens Dig. Min. Lumbricales, II, III, Flexor Dig. Sublimis. Flexor Pollieis Longui.,Median Nerve. Abductor Pollieis Brevii.,Opponens Pollieis Brevis. Adductor Pollieis.;Lumbricalie, I/, FBONTjOF HAND. Fig. 25. of muscles as the negative electrode is moved about over thearm. As the labile electrode is promenaded over the surface ofany part of the arm, or forearm, the presence of each motorpoint will be exactly demonstrated by a contraction of themuscles supplied. If the electrode is swept back and forth,the contractions will follow each other in a series of the electrode is steadily held upon the motor point, themuscles will be fixed in a tetanic contraction as long as theelectrode is on the motor point, and the intensity of the con-traction will be exactly proportioned to the E. M. F. of thecurrent. 228 ELECTRO-DIAGNOSIS FOR THE GENERAL PRACTITIONER. The patient can next reverse his a
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