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Effects of transcranial magnetic stimulation on results of the twitch interpolation technique
Author(s) -
Urbach Dietmar,
Awiszus Friedemann
Publication year - 2000
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 - 10.1002/1097-4598(200007)23:7<1125::aid-mus18>3.0.co;2-t
Subject(s) - transcranial magnetic stimulation , isometric exercise , stimulation , medicine , physical medicine and rehabilitation , electromyography , cardiology
Abstract To investigate whether transcranial magnetic stimulation (TMS) has an effect on isometric muscle force elicited by maximal voluntary contractions (MVC) and the ability to activate a muscle voluntarily (VA, as a percentage of full muscle activation), a twitch‐interpolation technique was applied on the quadriceps femoris muscles of six volunteers before and within 1 min after TMS. VA improved by 5% ( P = 0.019) and MVC by 17% ( P = 0.002), whereas these parameters were unchanged in a control experiment. The results suggest that TMS has an effect on the central motor drive, at least within 1 min after stimulation. © 2000 John Wiley & Sons, Inc. Muscle Nerve 23: 1125–1128, 2000