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Velocity of Sensory and Motor Fibers

HUNTINGTON MAVOR, MD; JAMES B. ATCHESON, BS

Arch Neurol. 1966;14(6):661-669.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE DETERMINATION of human motor nerve conduction velocities according to the method of Hodes et al¹ has become an established procedure in clinical neurophysiology. Normal values for the fastest conducting alpha motor fibers have been determined in a number of accessible peripheral nerves.^2-24

The method of Dawson and Scott²⁵ for recording human nerve action potentials has been used in the recording of a number of mixed nerve action potentials^8,9,26-30 and also in the recording of both orthodromically^{8,9,26-28,31-33,36} and antidromically conducted^33-35 sensory nerve action potentials in the upper extremity.

Dawson²⁶ demonstrated a small but statistically significant difference between the conduction velocity of afferent nerve fibers of the fingers coursing in the forearm and that of motor fibers in the forearm innervating small muscles of the hand. The fastest afferents conducted at a slightly greater velocity than the fastest efferents and the stimulation threshold . . . [Full Text PDF of this Article]

Author Affiliations
SALT LAKE CITY

From the Neurology Service, Veterans Administration Hospital, and the Department of Neurology, University of Utah College of Medicine, Salt Lake City.

Footnotes
Submitted for publication Jan 17, 1966; accepted Feb 7.

Reprint requests to Veterans Administration Hospital, 500 Foothill Drive, Salt Lake City 84113 (Dr. Mavor).

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