Jaw jerk: Revision history

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23 March 2023

14 December 2022

  • curprev 09:3009:30, 14 December 2022Oldver>Mehrdad 1,737 bytes +1,737 Created page with "=== Clinic === * The jaw jerk is a brisk, partial, upward jerk of the jaw caused by contraction of the temporalis, masseter and medial pterygoid muscles in response to striking the chin when the mouth is open. * '''Jaw jerk reflex''' or '''Masseter reflex''' is a stretch reflex used to test the status of a patient's trigeminal nerve and to help distinguish an upper cervical cord compression from lesions that are above the foramen magnum. * The mandible is tapped at a..."