Analysis of Intrarater and Interrater Reliability of Trunk Repositioning Error Test using a Portable Digital Inclinometer

디지털경사계를 사용한 체간재위치오류 검사의 신뢰도 분석

  • Chang, Woo-Nam (Department of Physical Therapy, Severance Rehabilitation Hospital, Yonsei University Health System) ;
  • Lee, Kyoung-Bo (Department of Physical Therapy, St Vincent Hospital, The Catholic University) ;
  • Yeom, Jun-Woo (Department of Physical Therapy, Inje University Ilsan Paik Hospital) ;
  • Hwang, Byong-Yong (Department of Physical Therapy, Graduate School, Yong In University)
  • 장우남 (연세대학교 세브란스 재활병원 물리치료팀) ;
  • 이경보 (가톨릭대학교 성빈센트병원 물리치료실) ;
  • 염준우 (인제대학교 일산백병원 물리치료실) ;
  • 황병용 (용인대학교 대학원 물리치료학과)
  • Received : 2013.07.13
  • Accepted : 2013.08.12
  • Published : 2013.08.25

Abstract

Purpose: A cost effective tool for the clinical measurement of trunk reposition sense is clearly needed. This study was to analyze intrarater and interrater Reliability of trunk repositioning error (TRE) test which assesses trunk position sense using a portable digital inclinometer. Methods: Twenty four normal healthy subjects were recruited. TRE was measured using a portable digital inclinometer. A digital inclinometer (Acumar-ACU360; Lafayetter Instrument) with precision to $1^{\circ}$ was placed on skin over the spinous process from first to second thoracic vertebra (T1-T2) and secured with double-sided tape. TRE test during sitting forward and lateral flexion movement was assessed. When they reached a point approximately 50% of full trunk flexion range, the examiner instructed the subjects to stop and told them. This was the target position that they should try to reproduce exactly. Each subject performed six trials. Results: ICC (2,1) for intrarater reliability (with-day and between-day) of TRE test in sagittal and frontal plane of movement was 0.75 and 0.78 (excellent reliability). Interrater reliability was 0.66 in sagittal and 0.64, frontal plane (fair to good reliability). However, there were poor correlations between an average of TRE test in sagittal and frontal plane. Conclusion: TRE test using a portable digital inclinometer demonstrated good to excellent reliability. The device may be a cost effective clinical measurement for trunk reposition sense measurement.

Keywords

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