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首页> 外文期刊>Journal of prosthetics and orthotics: JPO >Preliminary Evidence for Effectiveness of a Stance Control Orthosis
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Preliminary Evidence for Effectiveness of a Stance Control Orthosis

机译：姿态控制矫形器有效性的初步证据

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Individuals with lower limb paresis or paralysis have traditionally had limited orthotic options to provide knee stability during walking. Recent developments have made available new "stance control" orthoses that provide stability in stance while allowing free knee motion during swing phase. The purpose of this study was to determine whether individuals with lower limb weakness walk more efficiently when using the Stance Control Orthotic Knee Joint (SCOKJ~R) than when using a conventional knee-ankle-foot orthosis (KAFO) with the knee locked in extension. Data were collected on three male subjects with significant weakness in at least one lower limb. All subjects could walk independently, without walking aids, in the home and for short distances in the community. All three subjects exhibited increased speed and cadence, increased stride and step lengths, and fewer compensatory movements at the hip, pelvis, and trunk when walking with the SCOKJ~R. Two subjects completed an obstacle course more quickly with the SCOKJ~R. During 5 minutes of treadmill walking (comfortable speed), two subjects exhibited a lower heart rate response when wearing the SCOKJ~R, suggesting lower energy requirements for walking with the SCOKJ~R. In summary, the subjects used a more symmetric, more aesthetic walking pattern, maneuvered over and around obstacles more easily, and seemed to walk more efficiently when wearing the SCOKJ~R than when wearing a KAFO with the knee locked in extension.
机译：传统上，患有下肢轻瘫或瘫痪的人矫形器选择有限，无法在行走过程中提供膝盖稳定性。最近的发展已经提供了新的“姿势控制”矫形器，这些矫形器提供了姿势稳定性，同时允许在挥杆阶段自由膝盖运动。这项研究的目的是要确定使用姿态控制矫形膝关节（SCOKJ〜R）时下肢无力的人是否比使用传统的膝踝足矫形器（KAFO）膝盖锁定在伸展状态下的行走更有效。收集了至少三名下肢无力的三名男性受试者的数据。所有对象都可以在家中或在社区内短距离行走而无需助行器。当与SCOKJ〜R一起行走时，所有三个对象都表现出增加的速度和节奏，增加的步幅和步长以及较少的髋部，骨盆和躯干的代偿运动。使用SCOKJ〜R，两个受试者可以更快地完成障碍训练。在跑步机上步行5分钟（舒适的速度）期间，两名受试者穿着SCOKJ〜R时表现出较低的心率响应，表明使用SCOKJ〜R步行时的能量需求较低。总之，受试者使用更对称，更美观的行走方式，在障碍物上和周围较容易地操纵，并且在佩戴SCOKJ〜R时似乎比在膝盖伸展时佩戴KAFO时行走更有效。

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