Farragher Joshua, Pranata Adrian, El-Ansary Doa, Parry Selina, Williams Gavin, Royse Colin, Royse Alistair, O'Donohue Molly, Bryant Adam
Centre for Health Exercise & Sports Medicine The University of Melbourne Melbourne Vic. Australia.
Department of Nursing and Allied Health Swinburne University of Technology Hawthorn Vic. Australia.
Australas J Ultrasound Med. 2021 Jun 23;24(3):151-160. doi: 10.1002/ajum.12273. eCollection 2021 Aug.
To establish the test-retest and inter-rater reliability of lumbar multifidus (LM) and iliocostalis lumborum (IL) muscle thickness and echogenicity as derived using ultrasound imaging.
Ultrasound images of the LM and IL were collected from 11 healthy participants on two occasions, 1 week apart, by two independent assessors. Measures of LM and IL thickness and echogenicity were subject to test-retest and inter-rater reliability, which was assessed by calculation of an F statistic, the interclass correlation coefficient (ICC), the standard error of measurement, 95% confidence intervals and Bland-Altman plots. This study was given approval by The University of Melbourne Behavioural and Social Sciences Human Ethics Sub-Committee (ref: 1749845).
Assessors A and B showed good to excellent test-retest reliability for LM thickness (ICC A: 0.89 and B: 0.98), LM echogenicity (ICC A: 0.93 and B: 0.95) and IL echogenicity (ICC A: 0.87 and B: 0.83). Test-retest reliability for IL thickness was poor for Assessor A but excellent for Assessor B. Both assessors demonstrated excellent inter-rater reliability for LM thickness and echogenicity (ICC: 0.79 and 0.94), but poor reliability for IL thickness and echogenicity (ICC: 0.00 and 0.39).
Inter-rater and test-retest reliability was excellent for LM but was less reliable for measures of the IL muscle.
建立使用超声成像得出的腰多裂肌（LM）和腰髂肋肌（IL）肌肉厚度及回声性的重测信度和评分者间信度。
由两名独立评估者对11名健康参与者在相隔1周的两个时间点采集LM和IL的超声图像。对LM和IL的厚度及回声性测量进行重测信度和评分者间信度评估，通过计算F统计量、组内相关系数（ICC）、测量标准误差、95%置信区间和Bland-Altman图来进行评估。本研究获得了墨尔本大学行为与社会科学人类伦理小组委员会的批准（参考编号：1749845）。
评估者A和B在LM厚度（ICC A：0.89，B：0.98）、LM回声性（ICC A：0.93，B：0.95）和IL回声性（ICC A：0.87，B：0.83）方面显示出良好到优秀的重测信度。评估者A的IL厚度重测信度较差，而评估者B的则为优秀。两名评估者在LM厚度和回声性方面均显示出优秀的评分者间信度（ICC：0.79和0.94），但在IL厚度和回声性方面的信度较差（ICC：0.00和0.39）。
LM的评分者间信度和重测信度优秀，但IL肌肉测量的信度较低。
