Cranial Nerve Assessment: XII. Hypoglossal |
Examination type |
Neurological |
Patient & Body Segment Positioning |
Patient needs to be in a comfortable position,
either
sitting or standing |
Examiner Position |
The examiner needs to be anterior to (in front
of) the patient |
Performing the Test |
Ask the patient to stick out their tongue.
Next have
them move the tongue in all planes of movement (up, down, left,
right). Finally, use a tongue depressor to apply
resistance as the patient moves his tongue up, down, left, and
right. |
Tissues
Being Tested |
Cranial
nerve XII. Hypoglossal nerve |
Positive Test |
Inability to
stick tongue out straight, move in any direction, or weakness in
movement in any direction |
Interpretation |
Intracranial involvement |
Common errors in
performing exam |
Not applying resistance to movements; not
checking first for deviation from center when sticking tongue
out straight
|
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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