While making a study of a remarkable grouping and diffusion of various reflex responses found in the followng case of back injury referred by Dr. J. F. Norman of Crookston, in May, 1917, my attention was attracted by one among other highly interesting phenomena, to a sharp dorsal extension of the great toe occurring when an upward stroke was made with a blunt point over the anterior surface of the ankle. Application of this test in various cases following this observation led to the definite conclusion that an original method of eliciting the pathologic toe sign had been discovered.1
REPORT OF CASE
Case 1.
—T., a single man, aged 52, while reaching under a section of barn floor which was being lifted by several men, was doubled over sharply when they accidently let it down on his shoulders. He felt a band of numbness around the midbody immediately, but