手持肌振仪测量颈部和口面肌肉力学特性的观察者间和观察者内可靠性。

Interrater and Intrarater Reliability of a Handheld Myotonometer in Measuring Mechanical Properties of the Neck and Orofacial Muscles.

机构信息

Toros University, School of Health Sciences, Department of Physiotherapy and Rehabilitation, Mersin, Turkey.

Ardahan University, Nihat Delibalta Vocational School, Laboratory and Veterinary Health Department, Ardahan, Turkey.

出版信息

J Manipulative Physiol Ther. 2021 Jan;44(1):42-48. doi: 10.1016/j.jmpt.2020.08.002. Epub 2020 Nov 26.

DOI:10.1016/j.jmpt.2020.08.002

PMID:33248749

Abstract

OBJECTIVE

The purpose this study was to investigate the reliability of a handheld myotonometer in measuring the mechanical properties of the neck and orofacial muscles in asymptomatic individuals.

METHODS

The study included 16 healthy participants. The mechanical properties (frequency, decrement, stiffness, relaxation time, and creep) of the selected muscles were measured with a MyotonPRO myotonometer (Mumeetria Ltd, Tallinn, Estonia). The sternocleidomastoid, upper trapezius, cervical extensor, and masseter muscles were selected to determine the reliability of the device. Measurements were performed by 2 examiners to determine interrater reliability; for intrarater reliability, an examiner repeated the measurements 1 week after the first measurements.

RESULTS

The results revealed moderate to excellent intrarater and interrater reliability (intraclass correlation coefficients: 0.50-0.95) in measuring muscle mechanic properties. The standard error of measurement in the tested muscles ranged from 0.3 to 0.8 Hz for frequency, from 7.4 to 20.9 N/m for stiffness, from 0.1 to 0.2 for decrement, and from 0.8 to 1.4 ms for relaxation time. The minimum detectable change ranged from 0.8 to 2.2 Hz for frequency, from 20.5 to 57.9 N/m for stiffness, from 0.2 to 0.6 for decrement, from 2.2 to 3.9 ms for relaxation time, and from 0.2 to 0.3 for creep. In addition, the coefficients of variation were below 9.1% for all the assessed parameters.

CONCLUSION

The obtained results demonstrate that the MyotonPRO device is a reliable and repeatable tool to quantify the frequency, stiffness, decrement, relation time, and creep of the neck and orofacial muscles in asymptomatic individuals.

摘要

目的

本研究旨在探讨手持式肌振仪测量无症状个体颈部和口腔面部肌肉力学特性的可靠性。

方法

本研究纳入了 16 名健康参与者。使用 MyotonPRO 肌振仪（Mumeetria Ltd，塔林，爱沙尼亚）测量选定肌肉的力学特性（频率、衰减、刚度、松弛时间和蠕变）。选择胸锁乳突肌、上斜方肌、颈伸肌和咀嚼肌来确定设备的可靠性。由 2 名检查者进行测量以确定组内可靠性；对于组内可靠性，检查者在第一次测量后 1 周重复测量。

结果

结果显示，在测量肌肉力学特性方面，组内和组间可靠性均为中度至高度（组内相关系数：0.50-0.95）。在测试肌肉中，测量的标准误范围为频率 0.3-0.8 Hz，刚度 7.4-20.9 N/m，衰减 0.1-0.2，松弛时间 0.8-1.4 ms。频率的最小可检测变化范围为 0.8-2.2 Hz，刚度为 20.5-57.9 N/m，衰减为 0.2-0.6，松弛时间为 2.2-3.9 ms，蠕变 0.2-0.3。此外，所有评估参数的变异系数均低于 9.1%。