Intra- and inter-rater reliability of the rate of force development of hip abductor muscles measured by hand-held dynamometer

Kazuya Takeda, Shigeo Tanabe, Soichiro Koyama, Tomoko Nagai, Hiroaki Sakurai, Yoshikiyo Kanada, Koji Shomoto

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

The aim of this study was to clarify the intra- and inter-rater reliability of the rate of force development in hip abductor muscle force measurements using a hand-held dynamometer. Thirty healthy adults were separately assessed by two independent raters on two separate days. Rate of force development was calculated from the slope of the force-time curve that was divided into four time intervals (50, 100, 200, and 300 ms). The highest values of the three trials were used for statistical analysis. The intra-class correlation coefficient with a 95% confidence interval, standard error of measurement, and minimal detectable change at the 95% confidence level were calculated for each interval. For assessment of systematic error, Bland-Altman analysis was used. The results indicated that intra- and inter-rater reliability of the highest values at all intervals were sufficient (intra-class correlation coefficient >.7). The Bland-Altman analysis did not show systematic error in either reliability measure.

Original languageEnglish
Pages (from-to)19-24
Number of pages6
JournalMeasurement in Physical Education and Exercise Science
Volume22
Issue number1
DOIs
Publication statusPublished - 02-01-2018

All Science Journal Classification (ASJC) codes

  • Orthopedics and Sports Medicine
  • Physical Therapy, Sports Therapy and Rehabilitation

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