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Immediate effects of footwear with vibration applied to the swing phase of the gait cycle on dynamic balance in patients with diabetic peripheral neuropathy
Journal of Biomechanics ( IF 2.4 ) Pub Date : 2021-08-28 , DOI: 10.1016/j.jbiomech.2021.110710
Roya Ravanbod 1 , Niloofar Eslami 1 , Mohammed N Ashtiani 1
Affiliation  

Sensory and sub-sensory foot vibration have beneficial effects on the static and dynamic balance of patients with diabetic peripheral neuropathy (DPN). Previous foot vibration during walking was applied at sub-sensory threshold in both stance and swing phases of the gait cycle in DPN. This study aimed to investigate the effects of footwear with vibration above the sensory threshold applied to the swing phase of the gait cycle on the dynamic balance of DPN. Fifteen patients with DPN and 10 matched healthy control participants were enrolled in this study. Dynamic balance assessment was investigated by the sit to stand and turn tests while electromyography activity (root mean square, RMS) of the vastus lateralis (VL), tibialis anterior (TA), and peroneus longus (PL) muscles were recorded at baseline, after 10 min of wearing the vibratory sandal without vibration, and after 10 min of wearing the sandal with vibration. Repeated measure analysis of variance was conducted for data analysis. Wearing the vibratory sandal slightly increased the speed of weight transfer in both groups and COP sway in DPN (P > 0.05), and close to significant decrease of turn sway (P = 0.07) in both groups. There were significant differences of the PL RMS in turn test (P = 0.03) in DPN and peak RMS of the PL after 10 min of wearing the sandal with vibration in both groups (P < 0.05). The results of the present study demonstrated that PL activity was significantly influenced by the vibratory sandal as its tendon passing across the sole and in direct contact with the source of the vibration.



中文翻译:

振动鞋在步态周期摆动阶段对糖尿病周围神经病变患者动态平衡的直接影响

感觉和亚感觉足部振动对糖尿病周围神经病变(DPN)患者的静态和动态平衡有有益的影响。在 DPN 中,在步态周期的站立和摆动阶段,步行期间的先前足部振动均应用于亚感觉阈值。本研究旨在研究振动超过感官阈值的鞋类应用于步态周期摆动阶段对 DPN 动态平衡的影响。本研究招募了 15 名 DPN 患者和 10 名匹配的健康对照参与者。动态平衡评估通过坐立和转身测试进行调查,同时在基线记录股外侧肌 (VL)、胫骨前肌 (TA) 和腓骨长肌 (PL) 的肌电活动(均方根,RMS),不振动的振动凉鞋穿10分钟后,振动的凉鞋穿10分钟后。对数据进行重复测量方差分析。穿着振动凉鞋使两组的体重转移速度和DPN的COP摇摆略有增加(P > 0.05),并且两组的转弯摇摆几乎显着减少(P = 0.07)。两组在穿带振动凉鞋10分钟后的DPN和PL峰值RMS在轮流测试中的PL RMS(P = 0.03)和峰值RMS有显着差异(P < 0.05)。本研究的结果表明,PL 活动受到振动凉鞋的显着影响,因为它的肌腱穿过鞋底并与振动源直接接触。对数据进行重复测量方差分析。穿着振动凉鞋使两组的体重转移速度和DPN的COP摇摆略有增加(P > 0.05),并且两组的转弯摇摆几乎显着减少(P = 0.07)。两组在穿带振动凉鞋10分钟后的DPN和PL峰值RMS在轮流测试中的PL RMS(P = 0.03)和峰值RMS有显着差异(P < 0.05)。本研究的结果表明,PL 活动受到振动凉鞋的显着影响,因为它的肌腱穿过鞋底并与振动源直接接触。对数据进行重复测量方差分析。穿着振动凉鞋使两组的体重转移速度和DPN的COP摇摆略有增加(P > 0.05),并且两组的转弯摇摆几乎显着减少(P = 0.07)。两组在穿带振动凉鞋10分钟后的DPN和PL峰值RMS在轮流测试中的PL RMS(P = 0.03)和峰值RMS有显着差异(P < 0.05)。本研究的结果表明,PL 活动受到振动凉鞋的显着影响,因为它的肌腱穿过鞋底并与振动源直接接触。并且两组的转弯摇摆都接近显着减少(P = 0.07)。两组在穿带振动凉鞋10分钟后的DPN和PL峰值RMS在轮流测试中的PL RMS(P = 0.03)和峰值RMS有显着差异(P < 0.05)。本研究的结果表明,PL 活动受到振动凉鞋的显着影响,因为它的肌腱穿过鞋底并与振动源直接接触。并且两组的转弯摇摆都接近显着减少(P = 0.07)。两组在穿带振动凉鞋10分钟后的DPN和PL峰值RMS在轮流测试中的PL RMS(P = 0.03)和峰值RMS有显着差异(P < 0.05)。本研究的结果表明,PL 活动受到振动凉鞋的显着影响,因为它的肌腱穿过鞋底并与振动源直接接触。

更新日期:2021-08-30
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