Reliability of a new stabilization device for measurement of muscle strength using a hand-held dynamometer.

IF 2.8 3区 医学 Q2 CLINICAL NEUROLOGY
Muscle & Nerve Pub Date : 2024-12-01 Epub Date: 2024-10-05 DOI:10.1002/mus.28266
Zeynal Yasacı, Sezen Karaborklu Argut, Derya Celik
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引用次数: 0

Abstract

Introduction/aims: The hand-held dynamometer (HHD) is a reliable and portable tool for quantitatively assessing muscle strength. However, a number of variables, including the strength of the tester, the adequacy of stabilization, and the selected testing position, can affect the reliability of the device. The objective of the present study was to examine the reproducibility and inter-rater reliability of strength assessments using HHD with and without a stabilization device.

Methods: Strength assessments were conducted with and without the stabilization device by two independent raters. Healthy volunteers with no history of musculoskeletal disorders were included in the study. The strength of the shoulder flexion, scapula elevation, knee extension, and hip abduction muscle groups was evaluated using HHD. The reliability of the measurements was evaluated using intra-class correlation (ICC), standard error of measurement, and minimal detectable change.

Results: Fifty-two healthy volunteers (age 21.51 ± 2.02 years) participated in the study. The reproducibility was found to be excellent (ICC = 0.89-0.99). While reliability between the assessors was good to excellent (ICC = 0.85-0.93), reliability between assessors and device was found moderate to good (ICC = 0.48-0.78).

Discussion: The strength values obtained for all directions of movement with the stabilization device were found to be significantly higher than those obtained without fixation of the HHD. It can be concluded that the data obtained from the assessors and HHD with stabilization device are not comparable. Moreover, the utilization of a stabilization device may serve to enhance the reliability of the measurements by eliminating the rater effect.

使用手持式测力计测量肌肉力量的新型稳定装置的可靠性。
简介/目的:手持式测力计(HHD)是定量评估肌肉力量的可靠便携工具。然而,一些变量,包括测试者的力量、稳定的充分性和所选的测试位置,都会影响该设备的可靠性。本研究的目的是检验使用 HHD 进行力量评估时使用和不使用稳定装置的再现性和评分者之间的可靠性:方法:由两名独立的评分员分别在使用和不使用稳定装置的情况下进行力量评估。研究对象包括无肌肉骨骼疾病史的健康志愿者。使用 HHD 评估肩关节屈曲、肩胛骨抬高、膝关节伸展和髋关节外展肌群的力量。使用类内相关性(ICC)、测量标准误差和最小可检测变化来评估测量的可靠性:52名健康志愿者(年龄为21.51±2.02岁)参加了研究。研究发现,重现性非常好(ICC = 0.89-0.99)。评估者之间的可靠性为良好至优秀(ICC = 0.85-0.93),评估者与设备之间的可靠性为中等至良好(ICC = 0.48-0.78):讨论:在使用稳定装置的情况下,所有运动方向的力量值均明显高于未固定 HHD 的情况。由此可以得出结论,评估者和使用稳定装置的 HHD 所获得的数据不具可比性。此外,使用稳定装置可消除评分者效应,从而提高测量的可靠性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Muscle & Nerve
Muscle & Nerve 医学-临床神经学
CiteScore
6.40
自引率
5.90%
发文量
287
审稿时长
3-6 weeks
期刊介绍: Muscle & Nerve is an international and interdisciplinary publication of original contributions, in both health and disease, concerning studies of the muscle, the neuromuscular junction, the peripheral motor, sensory and autonomic neurons, and the central nervous system where the behavior of the peripheral nervous system is clarified. Appearing monthly, Muscle & Nerve publishes clinical studies and clinically relevant research reports in the fields of anatomy, biochemistry, cell biology, electrophysiology and electrodiagnosis, epidemiology, genetics, immunology, pathology, pharmacology, physiology, toxicology, and virology. The Journal welcomes articles and reports on basic clinical electrophysiology and electrodiagnosis. We expedite some papers dealing with timely topics to keep up with the fast-moving pace of science, based on the referees'' recommendation.
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