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The C5 dermatome is supplied sensation by the C5 nerve root. This
nerve exits the middle part of the neck at the C4-C5 disc. Patients
usually complain of shoulder weakness and having difficulty raising
the arm over the head. |
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The C4-C5 level is in the middle part of the
neck as shown.
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When the neck joint (facet) connected to
this level gets irritated, it refers pain to the lower neck and
top of the shoulder.
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