Super-selective cervical nerve root stimulation in contralateral C7 transfer: an intraoperative study

Intraoperative electrophysiological examination of the healthy brachial plexus in contralateral C7 transfer (cC7) procedures contributed substantially to the anatomical understanding of functional motor innervation of cervical nerve roots (Gu 1997; Gu et al. 2003; Hu et al. 2008; Li et al. 2011; Yin et al. 2012; Zhang et al. 2012). Results of intraoperative cervical nerve root stimulation showed that C5 mainly innervates the deltoid (axillary nerve), C6 the biceps brachii (musculocutaneous nerve), C7 the triceps brachii (radial nerve), and C8 the flexor digitorum superficialis and profundus muscles (median nerve) (Gu 1997).

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