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Orthopaedic

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Regional Pain Syndromes

Question
13 out of 28
 

The motor changes most commonly encoun­tered with an acute disk herniation at the C5-6 level are primarily in the (AIPG 2009)



A Extensor digitorum communis

B Interossei

C Biceps and extensor carpi radialis

D Biceps and deltoid

Ans. C

Biceps and extensor carpi radialis

a. The biceps possesses dual innervation but is commonly affected in a C6 radiculopathy.

b. The radial wrist extensors share a C6 innervation. The extensor digitorum communis and triceps are primarily innervated by C7, while the deltoid is innervated by C5.

Regional Pain Syndromes Flashcard List

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