期刊
NEUROUROLOGY AND URODYNAMICS
卷 31, 期 8, 页码 1272-1278出版社
WILEY-BLACKWELL
DOI: 10.1002/nau.22253
关键词
electromyography; motion artifact; pelvic floor; reliability
资金
- Natural Sciences and Engineering Research Council of Canada
Aim The purposes of this study were to compare: (i) the reliability of electromyography (EMG) activity recorded from the pelvic floor muscles (PFMs) using a new differential suction electrode (DSE) to the reliability of EMG data recorded using other common electrodes, and (ii) motion artifact contamination of EMG activity recorded from the PFMs using the DSE and the Femiscan (TM) electrode. Methods With the DSE and the Femiscan (TM) in situ, at two separate sessions, each of 20 participants performed three repetitions of a maximum voluntary contraction (MVC) of their PFMs, and 10 repetitions of a maximal effort cough. With Delsys (R) electrodes located over the biceps brachii, each participant performed three repetitions of a MVC. Between-trial and between-day reliability were assessed using several methods. Motion artifact was assessed by comparing the proportion of contaminated files recorded by each electrode during coughing. Result The DSE was found to have excellent between-trial reliability, as were the Femiscan (TM) and Delsys (R) electrodes. Between-day reliability was good for the DSE, but reliability was higher for the Delsys (R) electrode and the Femiscan (TM) electrode. The DSE performed better than the Femiscan (TM) electrode in terms of motion artifact contamination. Conclusions The DSE has excellent between-trial reliability and performs better than the Femiscan (TM) electrode in terms of motion artifact contamination. It does not perform as well as the Femiscan (TM) electrode in terms of between-day reliabilitya result that is not unexpected given the localized region from which the DSE records activity. Neurourol. Urodynam. 31:12721278, 2012. (C) 2012 Wiley Periodicals, Inc.
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