Association of muscle quantity and quality with knee extension strength in knee osteoarthritis: the Nagahama study.

IF 3.7 2区 医学 Q1 RHEUMATOLOGY Arthritis Care & Research Pub Date : 2024-08-09 DOI:10.1002/acr.25412
Shogo Okada, Masashi Taniguchi, Tome Ikezoe, Tadao Tsuboyama, Hiromu Ito, Shuichi Matsuda, Fumihiko Matsuda, Noriaki Ichihashi
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Abstract

Objective: We aimed to examine whether lower-limb muscle quantity and quality assessed by bioelectrical impedance analysis (BIA) were associated with knee extension strength and if the association differed with knee osteoarthritis (OA) severity.

Methods: We included 1,525 participants (63.6% women; mean age, 68.0±5.3 years) from the Nagahama Prospective Cohort. Knee extension strength was measured during maximum voluntary isometric contraction. Lower limb muscle mass and extracellular-to-intracellular water (ECW/ICW) ratio were used as indicators of muscle quantity and quality, respectively, and assessed via a BIA device. We executed multiple linear regression analyses to investigate the association of muscle quantity and quality with knee extension strength. Additionally, participants were classified into three groups with respect to OA severity and symptoms: control, early, and advanced OA groups; subgroup analyses were also executed.

Results: The muscle mass (p<0.001) and ECW/ICW ratio (p=0.009) were significantly associated with knee extension strength. In the subgroup analysis, the muscle mass was significantly associated with knee extension strength (p<0.001), but there was no association between ECW/ICW ratio and knee extension strength (p=0.731) in the control group. In the early and advanced OA groups, the muscle mass (both p<0.001) and ECW/ICW ratio (early OA: p=0.034, advanced OA: p=0.015) were significantly associated with knee extension strength.

Conclusions: Lower limb muscle quality was associated with knee extension strength, and the association was stronger in patients with knee OA. These findings suggest that both muscle quantity as well as quality should be assessed to better understand muscle function in patients with knee OA.

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膝关节骨性关节炎患者肌肉数量和质量与膝关节伸展力量的关系:Nagahama 研究。
目的:我们旨在研究通过生物电阻抗分析(BIA)评估的下肢肌肉数量和质量是否与膝关节伸展力量有关,以及这种关联是否与膝关节骨性关节炎(OA)的严重程度有关:我们纳入了来自长滨前瞻性队列的1525名参与者(63.6%为女性;平均年龄为68.0±5.3岁)。测量最大自主等长收缩时的伸膝力量。下肢肌肉质量和细胞外水/细胞内水(ECW/ICW)比率分别作为肌肉数量和质量的指标,并通过 BIA 设备进行评估。我们采用多元线性回归分析来研究肌肉数量和质量与膝关节伸展力量的关系。此外,我们还根据 OA 严重程度和症状将参与者分为三组:对照组、早期 OA 组和晚期 OA 组;并进行了分组分析:结果:肌肉质量(p结论:下肢肌肉质量与膝关节伸展力量相关,膝关节OA患者的相关性更强。这些研究结果表明,为了更好地了解膝关节OA患者的肌肉功能,应同时评估肌肉的数量和质量。
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来源期刊
CiteScore
9.40
自引率
6.40%
发文量
368
审稿时长
3-6 weeks
期刊介绍: Arthritis Care & Research, an official journal of the American College of Rheumatology and the Association of Rheumatology Health Professionals (a division of the College), is a peer-reviewed publication that publishes original research, review articles, and editorials that promote excellence in the clinical practice of rheumatology. Relevant to the care of individuals with rheumatic diseases, major topics are evidence-based practice studies, clinical problems, practice guidelines, educational, social, and public health issues, health economics, health care policy, and future trends in rheumatology practice.
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