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Anatomy Nerve supply, Nerve Lesions 75d5a74f

Root value of radial nerve is:

A
C3,4,5,6,7
B
C4,5,6,7,8
C
C5,6,7,8; T1
D
C6,7,8; T1,2
High-Yield Explanation
Radial nerve is the continuation of posterior cord. Root value of posterior cord is C5,6,7,8 ,T1 (has 5 root values) Posterior cord is formed by posterior divisions of upper, middle and lower trunks. It supplies posterior compament of upper limb.

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