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Effects of plantar intrinsic foot muscle strengthening exercise on static and dynamic foot kinematics: A pilot randomized controlled single-blind trial in individuals with pes planus.

足底内在足部肌肉强化锻炼对静态和动态足部运动学的影响: pes扁平足个体的初步随机对照单盲试验。

  • 影响因子:2.65
  • DOI:10.1016/j.gaitpost.2019.09.030
  • 作者列表:"Okamura K","Fukuda K","Oki S","Ono T","Tanaka S","Kanai S
  • 发表时间:2020-01-01
Abstract

BACKGROUND:No reliable evidence has confirmed whether plantar intrinsic foot muscle strengthening exercises improve static and dynamic foot kinematics in individuals with pes planus. RESEARCH QUESTION:Does the short-foot exercise affect static foot alignment and foot kinematics during gait in individuals with pes planus? METHODS:This was a randomized controlled single-blind trial involving 20 participants with pes planus who were randomly allocated to a short-foot exercise group (exercise) or a control group (controls). Exercise patients performed a progressive short-foot exercise three times per week for 8 weeks; controls received no intervention. Before and after the 8-week intervention, foot kinematics during gait, including dynamic navicular drop-the difference between navicular height at heel strike and the minimum value-and the time at which navicular height reached its minimum value were assessed, using three-dimensional motion analysis. We assessed static foot alignment by foot posture index and navicular drop test, and the thickness of the intrinsic and extrinsic foot muscles using ultrasound. All measurements were performed by one investigator (KO) blinded to the participants' allocation. RESULTS:After the 8-week intervention in the exercise group, foot posture index scores with regard to calcaneal inversion/eversion improved significantly (p < 0.05). Moreover, the time required for navicular height to reach the minimum value decreased significantly (p < 0.01). SIGNIFICANCE:For individuals with pes planus, the short-foot exercise effectively corrected static foot alignment and temporal parameters of foot kinematics during gait. This temporal change, which shortens the time for navicular height to reach its minimum value, indicates an improved windlass mechanism. Therefore, short-foot exercise might effectively prevent or treat injuries related to the pes planus alignment.

摘要

背景: 没有可靠的证据证实足底内在足部肌肉强化练习是否能改善pes扁平足个体的静态和动态足部运动学。 研究问题: 短脚运动是否影响pes扁平足个体步态中的静态足部对线和足部运动学? 方法: 这是一项随机对照单盲试验,涉及 20 名pes扁平足参与者,随机分配到短脚运动组 (运动) 或对照组 (对照)。运动患者进行渐进性短脚运动,每周 3 次,持续 8 周; 对照组未接受干预。8 周干预前后,步态过程中的足部运动学,包括动态舟形落差-足跟打击时舟形高度与最小值之间的差异-以及舟形高度达到其最小值的时间进行评估,使用三维运动分析。我们通过足部姿势指数和舟状骨下垂test评估静态足部对线,以及使用超声评估足部内、外肌的厚度。所有测量均由一名研究者 (KO) 进行,对参与者的分配不敏感。 结果: 运动组干预 8 周后,跟骨内翻/外翻足部姿势指数评分明显改善 (p <0.05)。且舟形高度达到最小值所需时间显著下降 (p <0.01)。 意义: 对于患有pes扁平足的个体,短足运动有效地纠正了静态足部对线和步态过程中足部运动学的时间参数。这种时间变化,缩短了舟形高度达到最小值的时间,表明了一种改进的锚机机制。因此,短脚运动可能有效预防或治疗与pes扁平肌排列相关的损伤。

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影响因子:0.95
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翻译标题与摘要 下载文献
影响因子:2.43
发表时间:2020-01-15
DOI:10.5435/JAAOS-D-16-00918
作者列表:["Grigoryan G","Korcek L","Eidelman M","Paley D","Nelson S"]

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