Low-profile elastic exosuit reduces back muscle fatigue.

Low-profile elastic exosuit reduces back muscle fatigue.
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DOI:
10.1038/s41598-020-72531-4
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发表时间:
2020-09-29
期刊:
影响因子:
4.6
通讯作者:
Zelik KE
Zelik KE
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Lamers EP;Soltys JC;Scherpereel KL;Yang AJ;Zelik KE

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我们调查了非机动化的、低姿态的、弹性的外骨骼运动服在倾斜过程中降低六块腰伸肌疲劳率的程度。六名健康受试者参加了A-B-A(撤回设计)研究方案,其中包括在没有外装护具辅助的情况下以45º倾斜长达90 s(A1),然后有辅助(B),然后再次没有辅助(A2)。机器护甲提供大约12-16 Nm的腰部伸展扭矩。我们测量腰肌活动(通过表面肌电图),并通过中值频率斜率评估疲劳率。我们发现,6名受试者中有5名表现出腰肌亚组(从测量的1块到全部6块腰肌)疲劳率的一致降低(范围从26%到87%)。这些发现客观地证明了低轮廓弹性机器护甲在倾斜期间减少背部肌肉疲劳的能力,这可以提高各种职业的耐力。
We investigated the extent to which an un-motorized, low-profile, elastic exosuit reduced the rate of fatigue for six lumbar extensor muscles during leaning. Six healthy subjects participated in an A-B-A (withdrawal design) study protocol, which involved leaning at 45º for up to 90 s without exosuit assistance (A1), then with assistance (B), then again without assistance (A2). The exosuit provided approximately 12–16 Nm of lumbar extension torque. We measured lumbar muscle activity (via surface electromyography) and assessed fatigue rate via median frequency slope. We found that five of the six subjects showed consistent reductions in fatigue rate (ranging from 26% to 87%) for a subset of lumbar muscles (ranging from one to all six lumbar muscles measured). These findings objectively demonstrate the ability of a low-profile elastic exosuit to reduce back muscle fatigue during leaning, which may improve endurance for various occupations.
DOI: 10.1109/tbme.2017.2761455
发表时间: 2018-08
期刊: IEEE transactions on bio-medical engineering
影响因子: --
作者:
Lamers EP;Yang AJ;Zelik KE
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