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April 15, 1939, Vol 112, No. 15 >
Other Articles | April 15, 1939

A CEREBELLAR SIGN

ROBERT WARTENBERG, M.D.
JAMA. 1939;112(15):1454-1456. doi:10.1001/jama.1939.02800150026008.
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The pendular movement of the arm in walking is frequently found to be reduced or absent in patients with pyramidal or extrapyramidal disease. My purpose in this article is to point out that unilateral decrease or cessation of the arm-swinging movement in walking may be due also to disease of the cerebellum. This finding may constitute a fine and early sign of the involvement of the homolateral cerebellar hemisphere. When in 1930 I reported this clinical observation to my former teacher, the late Dr. Kinnier Wilson, he said that he considered it of great interest and worthy of further study. In the same year I read a short paper1 on this cerebellar sign at the Congress of the German Neurologists in Dresden. In an article in 1931 Mann2 concluded from his own experience that this sign deserves "marked attention." Marburg3 referred to my first observation as extremely

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BMJ 2010;341:c5893-c1494.
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