不同负重条件下假肢足选择对行走性能的影响。

IF 1.4 3区医学 Q4 ENGINEERING, BIOMEDICAL

Clinical Biomechanics Pub Date : 2025-02-01 DOI:10.1016/j.clinbiomech.2025.106440

Krista M. Cyr , Richard R. Neptune , Glenn K. Klute

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引用次数: 0

摘要

背景：下肢截肢患者经常面临身体支持、身体推进和平衡控制方面的挑战。携带婴儿、幼儿、背包或其他负荷会加剧这些挑战，并强调处方最合适的假肢脚的重要性。本研究的目的是研究五种不同的假肢脚在不同负载条件下对行走性能的影响。方法：收集12名参与者的生物力学数据，他们穿着5个不同的假肢脚（4个被动的，1个动力的），在没有额外负荷的情况下，在4个不同的位置（后、前、假体侧和完整侧）行走，负重13.6 kg。研究结果：根据我们的研究人群，当负重在后方时，动力踝足可以提供额外的身体支撑。如果需要额外的向前推进力，而在前面承载负载，脚跟楔形比硬脚更好。对于可能需要额外的矢状面平衡控制的个体，无论如何负重，没有研究脚是有利的。对于那些需要额外的前平面平衡控制在后负荷运载，脚跟楔形比刚性或动力脚更好。最后，当负重向前时，标准护理足、后跟楔形足和双龙骨足比动力足提供了更多的前平面平衡控制。解释：对于需要负重的下肢截肢患者，考虑他们偏好的负重方式可能有助于选择合适的假肢足来支撑身体、推进和平衡控制。

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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Influence of prosthetic foot selection on walking performance during various load carriage conditions

Background

Ambulatory individuals with lower limb amputations often face challenges with body support, body propulsion, and balance control. Carrying an infant, toddler, backpack, or other load can exacerbate these challenges and highlights the importance of prescribing the most suitable prosthetic foot. The aim of this study was to examine the influence of five different prosthetic feet on walking performance during various load carriage conditions.

Methods

Biomechanical data were collected from twelve participants wearing five different prosthetic feet (four passive, one powered) while walking with no added load and carrying a load of 13.6 kg in four different positions: posterior, anterior, prosthetic side, and intact side.

Findings

Based on our study population, a powered-ankle-foot offers additional body support when a load is carried posteriorly. If additional forward propulsion is needed while carrying a load anteriorly, a heel wedge is better than a stiffer foot. For individuals who may need additional sagittal plane balance control, no study foot was advantageous regardless of how the load was carried. For those who need additional frontal plane balance control during posterior load carriage, a heel wedge is better than a stiffer or powered foot. Lastly, the standard-of-care, heel wedge, and dual keel feet provided more frontal plane balance control than a powered foot when a load was carried anteriorly.

Interpretation

For individuals with lower limb amputation who carry loads, consideration of their preferred load carrying method may help select an appropriate prosthetic foot for body support, propulsion, and balance control.

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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.