对符合减肥手术条件的成人肥胖症患者进行下肢肌力评估的疗程间可靠性。

IF 1.3 4区医学 Q4 PHYSIOLOGY

Clinical Physiology and Functional Imaging Pub Date : 2024-03-10 DOI:10.1111/cpf.12876

Søren Gam, Anders K. Petz, Lukas R. Bjerre, Jeppe Bøgild, Anders B. Nielsen, Rikke N. Sørensen, Mikkel I. Kolind, Bibi Gram, Stinus Hansen, Per Aagaard

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引用次数: 0

摘要

研究背景本研究的目的是利用等速肌力测定法检测体重指数（BMI）≥ 35 kg/m2 的肥胖症成人的下肢肌力和扭矩发展速度（RTD）的测试-再测试可靠性：32 名体重指数为 43.8 ± 6.6 kg/m2 且符合减肥手术条件的成年人参加了研究。使用等动测力计（Biodex 4）对膝关节伸肌（KE）和屈肌（KF）的等动和等长力量进行评估，分三次进行，每次间隔 3-7 天：结果：在不同的测试过程中，任何测试模式下的 KE 和 KF 扭矩峰值均无统计学差异。第 1 次和第 2 次之间的类内相关（ICC）为 0.91-0.94，第 2 次和第 3 次之间的类内相关（ICC）为 0.94-0.97。各测试环节的测量标准误差（SEM%）和变异系数（CV）介于 4.3% 和 7.3% 之间。经过熟悉后，KE RTD 显示出较高的重复测试可靠性，ICC、CV 和 SEM% 值分别为 0.84 至 0.90、13.3% 至 20.3% 和 14.6% 至 24.9%：通过等速肌力测定法测量的最大下肢肌力表现出极佳的测试-再测可靠性，测量误差小，CV值低。通过加入熟悉环节，可靠性略有提高。KE RTD 而非 KF RTD 在熟悉后显示出较高的测试再测可靠性。本研究数据表明，等速肌力测定法可用于检测成人肥胖症患者下肢肌力的微小变化。

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Intersession reliability of lower limb muscle strength assessments in adults with obesity eligible for bariatric surgery

Background

The aim of this study was to examine the test−retest reliability in lower limb muscle strength and rate of torque development (RTD) using isokinetic dynamometry in adults with obesity, with a body mass index (BMI) ≥ 35 kg/m².

Method

Thirty-two adults with a BMI of 43.8 ± 6.6 kg/m² eligible for bariatric surgery were enroled in the study. Isokinetic and isometric knee extensor (KE) and flexor (KF) strength were assessed in an isokinetic dynamometer (Biodex 4) during three test sessions separated by 3−7 days.

Results

There were no statistical differences in peak KE and KF torque for any test modalities between sessions. Intraclass correlation (ICC) was 0.91−0.94 between sessions 1 and 2 and 0.94−0.97 between sessions 2 and 3. Standard error of measurement (SEM%) and coefficient of variation (CV) ranged across test sessions from 4.3% to 7.3%. KE RTD showed high test−retest reliability following familiarization, with ICC, CV and SEM% values ranging from 0.84 to 0.90, 13.3%−20.3% and 14.6%−24.9%, respectively.

Conclusion

Maximal lower limb muscle strength measured by isokinetic dynamometry showed excellent test−retest reliability manifested by small measurement errors and low CV. Reliability was slightly improved by including a familiarization session. KE RTD but not KF RTD demonstrated high test−retest reliability following familiarization. The present data indicate that isokinetic dynamometry can be used to detect even small changes in lower limb muscle strength in adults with obesity.

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来源期刊

Clinical Physiology and Functional Imaging 医学-生理学

CiteScore

3.40

自引率

5.60%

发文量

审稿时长

6-12 weeks

期刊介绍： Clinical Physiology and Functional Imaging publishes reports on clinical and experimental research pertinent to human physiology in health and disease. The scope of the Journal is very broad, covering all aspects of the regulatory system in the cardiovascular, renal and pulmonary systems with special emphasis on methodological aspects. The focus for the journal is, however, work that has potential clinical relevance. The Journal also features review articles on recent front-line research within these fields of interest. Covered by the major abstracting services including Current Contents and Science Citation Index, Clinical Physiology and Functional Imaging plays an important role in providing effective and productive communication among clinical physiologists world-wide.