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首页> 外文期刊>Gait & posture >Measurement of functional heel pad behaviour in-shoe during gait using orthotic embedded ultrasonography
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Measurement of functional heel pad behaviour in-shoe during gait using orthotic embedded ultrasonography

机译：使用矫形埋入式超声检查在步态中鞋中脚后跟垫功能的行为

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摘要

The ability to measure the functional behaviour of the plantar heel pad is clinically relevant in dystrophic or pathological heel conditions and may help to inform the design and development of interventions that attempt to restore normal function. In this study we present a novel technique which utilises orthotic heel inserts with an embedded ultrasound (US) transducer to allow the functional, dynamic behaviour of the heel pad to be measured in-shoe during gait. The aim of this study was to demonstrate feasibility of the technique, determine the reproducibility of measurements, and to compare the effects of two orthotic inserts: (i) a flat orthotic heel raise and (ii) a contoured heel cup insert on the behaviour of the heel pad during gait. Dynamic compression of the heel pads of 16 healthy participants was recorded during treadmill walking and combined with plantar pressure measurements to allow stiffness and energy disappation ratio (EDR) to be estimated. Inter-session reliability of the US measurements was found to be excellent (ICC2,1=0.94-0.95), as was inter-rater reliability (ICC2,1=0.89). Use of the heel cup insert significantly reduced the maximum compression of the heel pad (p0.0001) as well as the overall stiffness of the pad (p0.001). There was no change in EDR (p=0.949). In-shoe embedded US is a reliable method to establish person-specific functional geometry of plantar soft tissues. Use of a contoured heel cup reduces the compression of the mid portion of the heel pad.
机译：测量足底后跟垫功能行为的能力在营养不良或病理性足跟状况中与临床相关，并且可能有助于告知尝试恢复正常功能的干预措施的设计和开发。在这项研究中，我们提出了一种新技术，该技术利用矫正后跟插入物和嵌入式超声（US）换能器来在步态中在鞋内测量后跟垫的功能，动态行为。这项研究的目的是证明该技术的可行性，确定测量的可重复性，并比较两种矫形鞋垫的效果：（i）平整的矫形鞋跟抬高和（ii）仿形的后跟杯垫对矫形器行为的影响步态中的脚跟垫。在跑步机行走过程中，记录了16名健康参与者的脚跟垫的动态压缩情况，并与足底压力测量值相结合，以估算其刚度和能量耗散率（EDR）。发现美国测量的会话间可靠性极好（ICC2,1 = 0.94-0.95），评估者间可靠性（ICC2,1 = 0.89）也是如此。脚跟杯插入物的使用显着降低了脚跟垫的最大压缩力（p <0.0001）以及脚垫的整体刚度（p <0.001）。 EDR没有变化（p = 0.949）。鞋内埋入式US是建立人体特定功能的establish软组织的可靠方法。仿形后跟杯的使用减少了后跟垫中间部分的压缩。

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