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Brachial plexus elements assessed by the superficial radial sensory NCS

The superficial radial sensory NCS assesses the superficial radial nerve, the radial nerve, the posterior cord, the upper and middle trunks, the C6 and C7 anterior primary rami, and the C6 and C7 DRG elements of the brachial plexus. The heavy lines show the predominant pathway. (Modified from Ferrante and Wilbourn 1995, with permission.)

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