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Electromyography in Orthopaedics
Arthur L. Watkins
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Boston, Massachusetts
1949 by The American Orthopaedic Association, Inc.
The Journal of Bone & Joint Surgery.  1949; 31:825-830 
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Abstract

1. Electromyography has been found useful in studying the pattern of motor activity in normal and paretic muscles, particularly in poliomyelitis and peripheral-nerve injuries.

2. Degrees of spasticity, rigidity, and tremor may be measured semi-quantitatively by this method.

3. Information of diagnostic importance is obtained from patients with progressive muscle atrophy, Parkinson's disease, peripheral-nerve injuries, and hysteria.

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    Accreditation Statement
    These activities have been planned and implemented in accordance with the Essential Areas and policies of the Accreditation Council for Continuing Medical Education (ACCME) through the joint sponsorship of the American Academy of Orthopaedic Surgeons and The Journal of Bone and Joint Surgery, Inc. The American Academy of Orthopaedic Surgeons is accredited by the ACCME to provide continuing medical education for physicians.
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