鞋装IMU能否以与实验室步态测量相媲美的方式识别矫形器的影响?

IF 2.5 3区 医学 Q1 ORTHOPEDICS
Max Lewin, Carina Price, Christopher Nester
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引用次数: 0

摘要

背景:鞋类和矫形器的研究传统上是在实验室进行的。随着用于足部和踝关节生物力学测量的可穿戴传感器的日益普及,将实验过渡到现实世界是现实的。然而,可穿戴系统必须有效地检测干预措施的响应方向和幅度,以供未来使用。方法:在直线行走时,RunScribe IMU与运动捕捉、加速度计和测力板同时使用。使用三种矫形器(A, B, C)来改变对照(SHOE)的下肢生物力学,包括:地面反作用力(GRF)加载率(A)、旋前偏移(A和B)、最大旋前速度(A和B)和冲击(C),以测试RunScribe检测到的效果是否与实验室测量结果一致。敏感性评价采用以下方法:相同正形器的测量系统之间的显著差异(t检验)和效应量(Cohen’s d), 2。测量系统间正形效应的统计显著性(t检验和方差分析)和效应大小(Cohen’s d & f) 3。测量系统间的正形效应方向。结果:低效应量测量系统间GRF加载率(SHOE: p = 0.138 d = 0.403, A: p = 0.541 d = 0.165)、冲击冲击(SHOE: p = 0.177 d = 0.405, C: p = 0.668 d = 0.132)、旋前偏移(A: p = 0.623 d = 0.10, B: p = 0.986 d = 0.00)无显著差异。在前旋偏移的控制条件(p = 0.005 d = 0.68)和前旋速度的所有条件(SHOE: p)下,系统之间存在显著差异和高效应值。结论:在组水平上,RunScribe对GRF加载率、前旋偏移和行走时的冲击冲击的矫形效果具有与实验室一致的敏感性。然而,个体测量结果之间存在很大差异。使用RunScribe进行群体分析可能是合适的,但是使用RunScribe进行个人评估和包括旋前可能会导致错误的解释。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Can a shoe-mounted IMU identify the effects of orthotics in ways comparable to gait laboratory measurements?

Can a shoe-mounted IMU identify the effects of orthotics in ways comparable to gait laboratory measurements?

Can a shoe-mounted IMU identify the effects of orthotics in ways comparable to gait laboratory measurements?

Can a shoe-mounted IMU identify the effects of orthotics in ways comparable to gait laboratory measurements?

Background: Footwear and orthotic research has traditionally been conducted within laboratories. With increasing prevalence of wearable sensors for foot and ankle biomechanics measurement, transitioning experiments into the real-world is realistic. However wearable systems must effectively detect the direction and magnitude of response to interventions to be considered for future usage.

Methods: RunScribe IMU was used simultaneously with motion capture, accelerometers, and force plates during straight-line walking. Three orthotics (A, B, C) were used to change lower limb biomechanics from a control (SHOE) including: Ground reaction force (GRF) loading rate (A), pronation excursion (A and B), maximum pronation velocity (A and B), and impact shock (C) to test whether RunScribe detected effects consistent with laboratory measurements. Sensitivity was evaluated by assessing: 1. Significant differences (t-test) and effect sizes (Cohen's d) between measurement systems for the same orthotic, 2. Statistical significance (t-test and ANOVA) and effect size (Cohen's d & f) for orthotic effect across measurement systems 3. Direction of orthotic effect across measurement systems.

Results: GRF loading rate (SHOE: p = 0.138 d = 0.403, A: p = 0.541 d = 0.165), impact shock (SHOE: p = 0.177 d = 0.405, C: p = 0.668 d = 0.132), pronation excursion (A: p = 0.623 d = 0.10, B: p = 0.986 d = 0.00) did not significantly differ between measurement systems with low effect size. Significant differences and high effect sizes existed between systems in the control condition for pronation excursion (p = 0.005 d = 0.68), and all conditions for pronation velocity (SHOE: p < 0.001 d = 1.24, A: p = 0.001 p = 1.21, B: p = 0.050 d = 0.64). RunScribe (RS) and Laboratory (LM) recorded the same significant effect of orthotic but inconsistent effect sizes for GRF loading rate (LM: p = 0.020 d = 0.54, RS: p = 0.042 d = 0.27), pronation excursion (LM: p < 0.001 f = 0.31, RS: p = 0.042 f = 0.15), and non-significant effect of orthotic for impact shock (LM: p = 0.182 d = 0.08, RS: p = 0.457 d = 0.24). Statistical significance was different between systems for effect of orthotic on pronation velocity (LM: p = 0.010 f = 0.18, RS: p = 0.093 f = 0.25). RunScribe and Laboratory agreed on the direction of change of the biomechanics variables for 69% (GRF loading rate), 40%-70% (pronation excursion), 47%-65% (pronation velocity), and 58% (impact shock) of participants.

Conclusion: The RunScribe shows sensitivity to orthotic effect consistent with the laboratory at the group level for GRF loading rate, pronation excursion, and impact shock during walking. There were however large discrepancies between measurements in individuals. Application of the RunScribe for group analysis may be appropriate, however implementation of RunScribe for individual assessment and those including pronation may lead to erroneous interpretation.

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来源期刊
CiteScore
4.50
自引率
10.30%
发文量
83
审稿时长
>12 weeks
期刊介绍: Journal of Foot and Ankle Research, the official journal of the Australian Podiatry Association and The College of Podiatry (UK), is an open access journal that encompasses all aspects of policy, organisation, delivery and clinical practice related to the assessment, diagnosis, prevention and management of foot and ankle disorders. Journal of Foot and Ankle Research covers a wide range of clinical subject areas, including diabetology, paediatrics, sports medicine, gerontology and geriatrics, foot surgery, physical therapy, dermatology, wound management, radiology, biomechanics and bioengineering, orthotics and prosthetics, as well the broad areas of epidemiology, policy, organisation and delivery of services related to foot and ankle care. The journal encourages submissions from all health professionals who manage lower limb conditions, including podiatrists, nurses, physical therapists and physiotherapists, orthopaedists, manual therapists, medical specialists and general medical practitioners, as well as health service researchers concerned with foot and ankle care. The Australian Podiatry Association and the College of Podiatry (UK) have reserve funds to cover the article-processing charge for manuscripts submitted by its members. Society members can email the appropriate contact at Australian Podiatry Association or The College of Podiatry to obtain the corresponding code to enter on submission.
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