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To the Editor:
—A paragraph in the article on backache (The Journal, March 11, 1916, p. 814) has attracted my attention. It says, "Sometimes faradic electricity is of value in lumbago." I am surprised that The Journal has allowed such a statement to go without further explanation of what really is of value in electrotherapeutics. Such a statement belongs almost to the dark ages. If the writer knew his subject he would have mentioned the real things, such as static, high frequency currents, and the high candle power light and others.[Comment.—The faradic current as commonly used has only a mechanical action when applied to the body, as it possesses for practical purposes no amperage, a low voltage, and a constantly changing polarity. It will cause contraction of the muscles, provided the lower motor neuron is intact. When one electrode is passed over the body, a slight stimulation of
Martin W. Electrotherapy in Lumbago. JAMA. 1916;LXVI(14):1051. doi:10.1001/jama.1916.02580400057030