The effect of experimentally induced gluteal muscle weakness on joint kinematics, reaction forces, and dynamic balance performance during stair climbing

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-03-09 DOI:10.1016/j.clinbiomech.2025.106477

Dimitris Dimitriou , Michel Meisterhans , Wolf-Wettstein Jessica , Marina Geissmann , Marie-Rosa Fasser , Jonas Widmer , Paul Borbas , Armando Hoch , Patrick O. Zingg

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引用次数: 0

Abstract

Background

The purpose of the present study was to investigate the effects of an experimentally induced weakness of the gluteal muscles on joint kinematics, reactions forces, and dynamic balance performance using the center of mass during stair climbing.

Methods

Ten healthy adult volunteers received sequential blocks of superior gluteal nerve to tensor fascia lata, superior, and inferior gluteal nerve on their dominant right leg. A full-body movement analysis during stair climbing was performed. A two-way repeated measured analysis of variances were applied to compare the average rotational kinematics, joint reaction forces and center of mass.

Findings

Following superior gluteal nerve block, 50 % of healthy participants couldn't complete the task. In participants who completed the task, their joint kinematics were significantly different compared to the control condition, demonstrating more hip flexion (average maximum difference at 50 %: 15 ± 14°, p < 0.05) and more internal rotation (average maximum difference at 20 %: 8 ± 5°, p < 0.05) than in the control condition. Significantly lower joint reaction forces were observed following superior und inferior gluteus nerve blocks at the hip compared to the control condition (up 110 % of body weight average maximum difference, p < 0.05). Participants demonstrated also an increased displacement of their center of mass in the mediolateral direction during both stair-ascent and descent under the superior and inferior gluteal nerve block.

Interpretation

A weakness in the hip abductors severely affected stair climbing performance. Those who managed to complete the task demonstrated abnormal kinematics, reduced joint reaction forces, and poorer dynamic balance.

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实验诱导的臀肌无力对爬楼梯时关节运动学、反作用力和动态平衡性能的影响

本研究的目的是研究实验诱导的臀肌无力对关节运动学、反作用力和在爬楼梯时使用质心的动态平衡性能的影响。方法10名健康成人志愿者在其右腿上连续阻滞臀上神经至阔筋膜张神经、臀上神经和臀下神经。在爬楼梯时进行全身运动分析。采用双向重复测量方差分析比较了平均旋转运动学、关节反作用力和质心。臀上神经阻滞后，50%的健康参与者无法完成任务。在完成任务的参与者中，他们的关节运动学与对照组相比有显着差异，表现出更多的髋关节屈曲(平均最大差异为50%:15±14°，p <；0.05)和更多的内旋(20%时的最大平均差值：8±5°，p <；0.05)。与对照组相比，臀上和臀下神经阻滞组的关节反作用力明显降低(平均最大差异增加了体重的110%，p <；0.05)。参与者还表现出在上下臀神经阻滞下上下楼梯时，重心在中外侧方向的位移增加。髋关节外展肌无力严重影响爬楼梯的表现。那些设法完成任务的人表现出异常的运动学，关节反作用力降低，动态平衡较差。

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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.