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. 2018 Feb 23;3:54–58. doi: 10.1016/j.cnp.2018.02.003

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© 2018 International Federation of Clinical Neurophysiology. Published by Elsevier B.V.

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Fig. 3 — Four typical cases of CMAPs of the upper TM and supraspinatus muscle. (A) CMAPs obtained in a 28-year-old man. (B) CMAPs obtained in a 33-year-old man. (C) CMAPs obtained in a 46-year-old man. (D) CMAPs obtained in a 53-year-old woman. (CMAP-A) TM: CMAPs were obtained by placing the active recording electrode on the belly of the upper TM. (CMAP-B) TM + 2 cm: CMAPs were obtained by placing the active recording electrode 2 cm behind the belly of the upper TM. (CMAP-C) SupSpi (Acc): CMAPs were obtained by placing the active recording electrode on the belly of the supraspinatus muscle with stimulation of the spinal accessory nerve. (CMAP-D) SupSpi (Erb): CMAPs were obtained by placing the active recording electrode on the belly of the supraspinatus muscle with stimulation of Erb's point in the supraclavicular fossa. (CMAP-E) combined CMAP-A and C.