The Head Thrust Sign in the Evaluation of Vestibular Loss.



Structural problems in the human vestibular system may cause dizziness. The head thrust test is probably the most important physical examination for localizing the side of vestibular loss. The physiology of semicircular canals in the human vestibular system can be applied to help us understand the head thrust test. Performing the Head Thrust Test: The head thrust test consists of a rapid passively delivered turn of the head of only about 10° or 20°, but it has to be deliver more...
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