American Journal of Physical Medicine. 50(2):80–90, APR 1971 PMID: 5580263 Issn Print: 0002-9491 Publication Date: 1971/04/01 Print ELECTROMYOGRAPHIC INVESTIGATION OF FLEXION AND HYPEREXTENSION OF THE KNEE IN NORMAL ADULTS DANIEL MURPHEY;PATRICIA BLANTON;NORMAN BIGGS; + Author Information Department of Anatomy, Baylor University, College of Dentistry, 800 Hall Street, Dallas, Texas 75226. Checking for direct PDF access through Ovid Abstract Abstract unavailable for this article.