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Interrater and Intrarater Reliability of Electrical Impedance Myography: A Comparison between Large and Small Handheld Electrode Arrays.

  • Academic Journal
  • Hu, Huijing1 (AUTHOR)
    Lo, Wai Leung Ambrose2 (AUTHOR)
    Wang, Xiaoyun3 (AUTHOR)
    Li, Le1 (AUTHOR)
    Zhou, Ping4 (AUTHOR)
  • Journal of Healthcare Engineering. 11/2/2021, p1-8. 8p.
  • Article
  • The objective of this study was to evaluate the interrater and intrarater reliability of electrical impedance myography (EIM) using handheld sensors of different sizes. Electrical impedance myography of the biceps brachii muscle of twenty healthy individuals was performed by two raters using both large and small sensors. The procedures were also repeated 5 to 8 days after the first recording session. The repeatability of the resistance, reactance, and phase angle at two different current frequencies (50 and 100 kHz) was assessed by the intraclass correlation coefficient (ICC). The ICCs of the large sensor were higher than those of the small sensor for both the intrarater and interrater reliabilities. High-frequency current tended to improve the ICC for the small sensor. These results indicate reasonable repeatability of the handheld electrode arrays for EIM measurements. The findings suggest that electrode array should be selected appropriately according to the size of the tested muscle. [ABSTRACT FROM AUTHOR]
Additional Information
Copyright of Journal of Healthcare Engineering is the property of Hindawi Limited and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
1Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, Shaanxi, China
2Department of Rehabilitation Medicine, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, Guangdong, China
3Guangdong Work Injury Rehabilitation Center, Guangzhou, Guangdong 510440, China
4University of Health and Rehabilitation Sciences, Qingdao, Shandong 266024, China
2040-2295
10.1155/2021/7296322
153370854
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