Atlas of Muscle Innervation Zones by Marco Barbero Roberto Merletti & Alberto Rainoldi

Author:Marco Barbero, Roberto Merletti & Alberto Rainoldi
Language: eng
Format: epub
Publisher: Springer Milan, Milano

In real conditions, the neuromuscular junctions (NMJs) of the fibers of a MU are scattered in the IZ, as indicated in Fig.​ 3.​8, and all the MUs of a muscle may be innervated in the same location (as in Fig.​ 3.​9) or in slightly different locations (as in Fig.​ 3.​10). In either case, one electrode pair with interelectrode distance of 15-20 mm centered over the IZ of a MU would not correctly detect the differential signals from that MU. Similarly, one pair of nearby electrodes centered over the IZ of a muscle would detect a small, noisy, and non-representative differential signal from the muscle.

This issue was discussed in Sect.​ 3.​6 and can now be considered with respect to a 2D potential detection. The above issues have been extensively presented in the literature over the last 20 years and European recommendations have been developed (Hermens et al. 2000; Jensen et al. 1993; Rau and Disselhorst-Klug 1997; Disselhorst-Klug et al. 1997; Mesin et al. 2009; De Nooij 2009; Martin and Mac Isaac 2006; Merletti et al. 2008).

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