RT Journal
A1 Halpern LL
T1 DIsturbances of the pendular movement of the arm in walking
JF Journal of the American Medical Association
JO Journal of the American Medical Association
YR 1939
FD October 7
VO 113
IS 15
SP 1430
OP 1431
DO 10.1001/jama.1939.02800400058023
UL http://dx.doi.org/10.1001/jama.1939.02800400058023
AB To the Editor:— 
    A short time ago Robert Wartenberg (A Cerebellar Sign, The Journal, April 15, p. 1454) reported his observations on the decrease or cessation of the armswinging movement in walking in cases of homolateral disease of one of the cerebellar hemispheres. After considering similar observations by Holmes, Thomas, Marburg, Dusser de Barenne and others, Wartenberg designated this phenomenon as "cerebellar sign" and concluded his discussion by saying that "it would be of interest to study the swinging movement of the arm in unilateral frontal disease." I had occasion to observe this phenomenon in two cases of unilateral injury of the frontal brain:A man aged 42 was wounded in the left side of the forehead by a shell splinter in 1916. Examination in 1932 revealed in the middle of the left side of the forehead a scar with a bone defect covering the middle of the first