拇指肌肉力量电位分布及其与骨关节炎的关系：一项探索性尸体研究

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-03-10 DOI:10.1016/j.clinbiomech.2025.106489

Mirka Normand , Mohammad Reza Effatparvar , Felix-Antoine Lavoie , Jean-Michel Brismée , Stéphane Sobczak

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引用次数: 0

摘要

背景：拇指的10块肌肉允许多种运动组合，产生相似的功能结果，但使用不同的负荷传递和不同的生物力学应力，导致不同的梯形腕关节磨损模式。我们的探索性研究探讨了梯形腕关节骨性关节炎的严重程度和部位与估计个体拇指肌肉最大力量之间的关系。方法系统解剖19例尸体手部，男性占60%，平均年龄79.2岁，SD = 7.1，计算归一化肌肉质量/体质量及生理截面积比。用3种不同的关节退行性变测量方法分析相关性。Eaton-Glickel骨关节炎分级与对手政策肌量呈中度负相关(rₛ= - 0.59,p <；.01)和拇长外展肌(rₛ= - 0.60,p <；. 01)。掌斜指数与归一化后的拇对手肌和拇外展长肌质量也呈中度负相关(rₛ= - 0.63,p <；.01)和(rₛ= - 0.51,p <；. 05),分别。生理截面积比与上述退化指标之间没有相关性。解释：我们目前的研究发现，对于伊顿-格里克尔骨性关节炎的等级和梯形腕关节指数而言，拇外展长肌和对跖肌的标准化质量与体重之间存在适度的负相关，这将支持目前针对患关节炎的梯形腕关节人群的手部治疗运动建议。在解释与关节区退化的相关性时必须谨慎，因为我们的分析能力因少数关节表面的完全燃烧而降低。

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Distribution of strength potential of the thumb muscles and their relationship to trapeziometacarpal osteoarthritis: An exploratory cadaveric study

Background

The ten muscles of the thumb allow for a variety of movement combinations yielding similar functional outcomes yet using different load transmission with different biomechanical stresses resulting in heterogenous trapeziometacarpal wear patterns. Our exploratory study investigates the correlation between the severity and location of trapeziometacarpal joint osteoarthritis and estimated individual thumb muscles maximal force.

Method

Normalized muscle mass to body mass and physiological cross-sectional area ratio were calculated following systematic muscular dissection of 19 cadaveric hands, 60 % males, average age 79.2, SD = 7.1. Correlations were analyzed with 3 different measures of articular degenerations.

Findings

Moderate negative correlation was found between Eaton-Glickel osteoarthritis grade and normalized muscle mass of opponens pollicis (rₛ = −0.59, p < .01) and abductor pollicis longus (rₛ = −0.60, p < .01). Moderate negative correlation was also found between trapeziometacarpal index and normalized opponens pollicis and abductor pollicis longus muscle mass (rₛ = −0.63, p < .01) and (rₛ = −0.51, p < .05), respectively. No correlation was identified between physiological cross-sectional area ratios and the above degeneration metrics.

Interpretation

Our current findings identified moderate negative correlations between the normalized mass to body mass of abductor pollicis longus and opponens pollicis for both Eaton-Glickel osteoarthritis grade and trapeziometacarpal index, which would support the current hand therapy exercise recommendations for the arthritic trapeziometacarpal population. Caution must be taken in the interpretation of correlations with articular zones degradation as our analytical power was reduced by the complete eburnation of few articular surfaces.

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来源期刊

Clinical Biomechanics 医学-工程：生物医学

CiteScore

3.30

自引率

5.60%

发文量

189

审稿时长

12.3 weeks

期刊介绍： Clinical Biomechanics is an international multidisciplinary journal of biomechanics with a focus on medical and clinical applications of new knowledge in the field. The science of biomechanics helps explain the causes of cell, tissue, organ and body system disorders, and supports clinicians in the diagnosis, prognosis and evaluation of treatment methods and technologies. Clinical Biomechanics aims to strengthen the links between laboratory and clinic by publishing cutting-edge biomechanics research which helps to explain the causes of injury and disease, and which provides evidence contributing to improved clinical management. A rigorous peer review system is employed and every attempt is made to process and publish top-quality papers promptly. Clinical Biomechanics explores all facets of body system, organ, tissue and cell biomechanics, with an emphasis on medical and clinical applications of the basic science aspects. The role of basic science is therefore recognized in a medical or clinical context. The readership of the journal closely reflects its multi-disciplinary contents, being a balance of scientists, engineers and clinicians. The contents are in the form of research papers, brief reports, review papers and correspondence, whilst special interest issues and supplements are published from time to time. Disciplines covered include biomechanics and mechanobiology at all scales, bioengineering and use of tissue engineering and biomaterials for clinical applications, biophysics, as well as biomechanical aspects of medical robotics, ergonomics, physical and occupational therapeutics and rehabilitation.