Cranial Nerve Assessment: V. Trigeminal |
Examination type |
Neurological |
Patient & Body Segment Positioning |
Patient need to be in a comfortable position
sitting or standing |
Examiner Position |
The examiner needs to be anterior to (in front
of) the patient |
Performing the Test |
Have the patient close his eyes, and ask him to
identify between hard and soft by scraping an object across the
face gently (ex. the cotton end v. the wooden end of a cotton
tipped applicator). Next have the patient open his eyes and gently move your
fingers towards one of the eyes to check for corneal reflex. Next, ask
the patient to open his mouth while you resist at the jaw. Ask the
patient to grit his teeth. |
Tissues
Being Tested |
Cranial
nerve V. Trigeminal nerve |
Positive Test |
Inability to
discriminate between objects; lack of sensation in face; no or
slow corneal reflex; weak jaw motions |
Interpretation |
Intracranial involvement |
Common errors in
performing exam |
Not checking corneal reflex |
Factors possibly
resulting in misinterpretation |
Make sure that the athlete understands what you
are doing when performing the test |
Related tests |
Cranial
nerve assessment |
References |
Booher M. James. Athletic Injury
Assessment. 4th edition. McGraw Higher
Education 2000 |
Links: |
http://www.meddean.luc.edu/lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn5.htm |
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