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Nerve conduction study of the three supraclavicular nerve branches
Author(s) -
MartinezAparicio Carmen,
Jääskeläinen Satu K.,
Muyor José M.,
Falck Björn
Publication year - 2018
Publication title -
muscle and nerve
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.025
H-Index - 145
eISSN - 1097-4598
pISSN - 0148-639X
DOI - 10.1002/mus.26105
Subject(s) - clavicle , medicine , sternocleidomastoid muscle , anatomy , sternoclavicular joint , nerve conduction study , accessory nerve , nerve conduction , surgery
: We describe a new nerve conduction study technique with reference values for the 3 branches of the supraclavicular nerve (SCN) in young healthy subjects and application of it in 2 patients. Methods : The recording electrode was placed on the posterior border of the sternocleidomastoid muscle, 6–7 cm from the sternoclavicular joint. SCN branches were stimulated below the clavicle, 2.5, 7, and 10.5 cm lateral to the sternoclavicular joint. Results : Twenty healthy volunteers (10 men), 19–38 years, mean 25.9 years (SD 6.3), and 2 patients with SCN lesions were studied. The mean conduction velocities of the SCN branches were 70–78 m/s (SD 8–10 m/s), and amplitudes 3–4 µV (SD 0.9–2.0 µV). There were no side‐to‐side or gender differences. Discussion : The 3 SCN branches could be studied in all subjects. We provide reference values for young subjects. This new method was useful in verifying SCN lesions in 2 patients. Muscle Nerve 58 : 300–303, 2018