Low back pain influences medial-lateral trunk movement variations during sit-to-stand tasks in persons with transtibial amputation

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-07-18 DOI:10.1016/j.clinbiomech.2025.106623

T.E. Parr , S. Farrokhi , B.D. Hendershot , C.M. Butowicz

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引用次数: 0

Abstract

Background

Individuals with lower-limb amputation commonly experience low back pain, which may be associated with altered movement strategies or impaired trunk control during activities of daily living, such as sit-to-stand. The aim of this study was to assess, using wearable sensors, sit-to-stand performance and trunk movement variations of persons with transtibial amputation, with and without low back pain.

Methods

Fifty-eight persons with unilateral transtibial amputation (28 with and 30 without low back pain) performed five sit-to-stand trials while wearing two inertial measurement units affixed to the thigh and sternum. Sit-to-stand completion time, as well as triaxial root mean square of acceleration and triaxial variance of jerk (calculated from the trunk sensor), were compared between groups.

Findings

There was no difference in completion time between groups (12.1 ± 3.8 vs 11.6 ± 2.9 s; p = 0.54), but there was greater movement variation for persons with vs. without low back pain in the medial-lateral direction (p = 0.042), including root mean square of acceleration for sit-to-stand (p = 0.049) and variance of jerk for sit-to-stand (p = 0.012) and stand-to-sit (p = 0.018).

Interpretation

This study indicates that accelerometer-based metrics of trunk control are able to differentiate between persons with transtibial amputation with and without low back pain, with the pain group demonstrating decreased control. The use of sensors may help guide in-clinic or at-home movement retraining or device prescriptions for improving trunk control during dynamic activities, such as sit-to-stand.

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下背部疼痛影响经胫骨截肢者坐立时躯干内侧外侧运动的变化

背景下肢截肢患者通常会经历腰痛，这可能与日常生活活动（如坐立）中运动策略改变或躯干控制受损有关。本研究的目的是利用可穿戴传感器，评估有或没有腰痛的经胫骨截肢患者的坐立表现和躯干运动变化。方法58例单侧经胫骨截肢患者（28例伴有腰痛，30例无腰痛）分别在大腿和胸骨上佩戴两个惯性测量装置，进行5次坐立试验。比较两组间坐立完成时间、加速度的三轴均方根和加速度的三轴方差（由躯干传感器计算）。两组完成时间差异无统计学意义(12.1±3.8 vs 11.6±2.9 s；P = 0.54)，但腰痛患者与非腰痛患者在中外侧方向的运动差异更大（P = 0.042），包括坐姿到站立的加速度均方根（P = 0.049）和坐姿到站立的抽搐方差（P = 0.012）和站立到坐（P = 0.018）。这项研究表明，基于加速度计的躯干控制指标能够区分有和没有腰痛的经胫骨截肢患者，疼痛组显示出控制能力下降。传感器的使用可能有助于指导门诊或家庭运动再训练或设备处方，以改善动态活动时的躯干控制，例如坐到站。

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

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.