首页> 外文期刊>Journal of Applied Biomechanics >Consistent Immediate Effects of Foot Orthoses on Comfort and Lower Extremity Kinematics, Kinetics, and Muscle Activity
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Consistent Immediate Effects of Foot Orthoses on Comfort and Lower Extremity Kinematics, Kinetics, and Muscle Activity

机译:足部矫形器对舒适度和下肢运动学,动力学和肌肉活动的持续即时影响

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摘要

In order to accommodate patients to new foot orthoses over time, two steps are required: The first is to obtain a baseline reading of the immediate effects across several weeks to ensure consistency. The second step is to look at changes with progressively longer wear periods similar to what occurs in general practice. This study addressed the first step. The purpose of this study was to determine whether the baseline reading of the immediate effects of foot orthoses on comfort and lower extremity kinematics, kinetics, and muscle activity is consistent between days. Participants were 21 recreational runners who volunteered for the study. Three orthotic conditions (posting, custom-molding, posting and custom-molding) were compared to a control (flat) insert. Lower extremity kinematic, kinetic, and EMG data were collected for 108 trials per participant and condition in 9 sessions for each person for running at 4 m/s. Comfort for all orthotic conditions was assessed in each session using a visual analog scale. Statistically significant session effects were detected using repeated-measures ANOVA (α = .05). Three of the 93 variables had a significant session effect. A significant interaction between orthotic condition and session was observed for 6 of the 93 variables. The results of this study showed that the effects of foot orthoses on comfort, lower extremity kinematics, kinetics, and muscle activity are consistent across a 3-week period when the wear time for each condition is restricted. Thus, foot orthoses lead to immediate changes in comfort, kinematics, kinetics, and muscle activity with limited use. These immediate effects of foot orthoses on comfort, kinematics, kinetics, and muscle activity are consistent between days.
机译:为了使患者随着时间适应新的脚部矫形器,需要执行两个步骤:第一个步骤是获取数周内即时效果的基线读数,以确保一致性。第二步是观察磨损周期逐渐变长的变化,这与一般实践中的情况类似。这项研究解决了第一步。这项研究的目的是确定在几天之间脚部矫形器对舒适度和下肢运动学,动力学和肌肉活动的即时影响的基线读数是否一致。自愿参加研究的有21位休闲跑步者。将三种矫正条件(张贴,定制模制,张贴和定制模制)与对照(扁平)插入物进行比较。为每位参与者收集了108项试验的下肢运动学,动力学和EMG数据,并针对每人以9 m的速度以4 m / s的速度进行了9次训练。在每个疗程中,使用视觉模拟量表评估所有矫正条件的舒适度。使用重复测量方差分析(α= .05)检测到具有统计学意义的会话效果。 93个变量中的三个具有显着的会话效果。在93个变量中的6个中,观察到矫正状况与会话之间的显着相互作用。这项研究的结果表明,在限制每种情况的磨损时间的3周内,足部矫形器对舒适度,下肢运动学,动力学和肌肉活动的影响是一致的。因此,脚部矫形器在使用受限的情况下会立即导致舒适性,运动学,动力学和肌肉活动的变化。足部矫形器对舒适度,运动学,动力学和肌肉活动的这些直接影响在几天之间是一致的。

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