University of Scranton - Department of Physical Therapy
Edmund M. Kosmahl, PT, EdD
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copyright 2000 Edmund M. Kosmahl
PT351 ORTHOPAEDIC PT
LABORATORY SKILL
Dr. E. Kosmahl
SENSORY TEST OF DERMATOMES
Testing L3 Dermatome
Purpose
To provoke a root sign
Positive Response
Patient indicates decreased or altered sensation
Technique
Light touch to appropriate bilateral areas simultaneously
Ask "How does that feel?"
Comments
Demonstration shows L3 dermatome
See dermatome chart
see U of S PT Dermatome Chart
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