A facial fatigability test: a method for detecting 'latent' facial motor lesions by fatigability.


This is a simple test for the early recognition of a clinically 'latent' facial motor lesion, which detects the difference in fatigability between the two sides of the peri-oral musculature. Fatigue is produced by the patient's effort to maintain maximal contraction against lateral traction of the angles of the mouth by two weighted hooks. Fatigue is… (More)


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