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An Electromyographic Study in Man

JOHN W. MAGLADERY, M.D.; ROBERT D. TEASDALL, M.D.

Arch Neurol. 1961;5(3):269-274.

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

Introduction

Reflex motor responses of skeletal muscle to a variety of peripheral stimuli have long been recognized to fall into many distinctive and predictable patterns.¹ In some instances, physiological features and integrative arrangements have now been clarified to a sufficient degree that these in themselves indicate a biological meaning of the reflex responses. For example, myotatic reflexes, controlled by the gamma efferent system, clearly play an important part in postural adjustment and movement.² Even these, however, constitute merely a portion of the excitatory events which lead to the coordinated discharge of motoneurons in effective motor activity.³

Other reflex responses, including some in clinical use, have been less clearly defined and, for the most part, their basic functional roles have escaped detection. Among these are superficial abdominal and plantar responses. Both are basically spinal reflexes.^4-10 The fiber spectrum of their efferent pathways is broad.^4,11 Some fibers . . . [Full Text PDF of this Article]

Author Affiliations
BALTIMORE

From the Division of Neurological Medicine, The Johns Hopkins University School of Medicine and Hospital, and The Baltimore City Hospitals.

Footnotes
Received for publication May 26, 1961.

Presented at the 86th Annual Meeting of the American Neurological Association, Atlantic City, June 13, 1961.

Supported by a grant (B-367) from the National Institute of Neurological Diseases and Blindness, U.S. Public Health Service.

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