Development of a trunk motor paradigm for use in neuroimaging.
Development of a trunk motor paradigm for use in neuroimaging.
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DOI：
10.1515/tnsci-2020-0116
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发表时间：
2020
影响因子：
2.1
通讯作者：
Grooms DR
中科院分区：
文献类型：
--
作者：
Saunders E;Clark BC;Clark LA;Grooms DR
本研究的目的是量化头部运动之间的等距竖脊肌（ES）收缩策略，范例和强度的神经影像学协议的发展与躯干运动控制在个人腰痛的神经活动的研究。10名健康参与者完成了两种收缩策略;（1）仰卧上脊柱（US）按压和（2）仰卧下肢（LE）按压。每种收缩策略在肌电（EMG）收缩强度为单独确定的最大自主收缩（MVC）的30、40、50和60%（每个相应强度的范围为±10%）时进行，并伴有实时EMG生物反馈。在MVC的30%下使用US和LE收缩策略进行循环收缩范例。惯性测量单元（伊穆斯）量化头部运动，以确定神经成像的每个范例的可行性。US与LE保持收缩在头部运动方面没有差异。相对于周期性收缩，保持收缩引起的头部运动明显较少。收缩强度以线性方式增加头部运动，其中30%MVC具有最少的头部运动，60%最高。LE保持收缩策略，低于50%MVC，被认为是最可行的躯干运动控制神经成像范例。
The purpose of this study was to quantify head motion between isometric erector spinae (ES) contraction strategies, paradigms, and intensities in the development of a neuroimaging protocol for the study of neural activity associated with trunk motor control in individuals with low back pain. Ten healthy participants completed two contraction strategies; (1) a supine upper spine (US) press and (2) a supine lower extremity (LE) press. Each contraction strategy was performed at electromyographic (EMG) contraction intensities of 30, 40, 50, and 60% of an individually determined maximum voluntary contraction (MVC) (±10% range for each respective intensity) with real-time, EMG biofeedback. A cyclic contraction paradigm was performed at 30% of MVC with US and LE contraction strategies. Inertial measurement units (IMUs) quantified head motion to determine the viability of each paradigm for neuroimaging. US vs LE hold contractions induced no differences in head motion. Hold contractions elicited significantly less head motion relative to cyclic contractions. Contraction intensity increased head motion in a linear fashion with 30% MVC having the least head motion and 60% the highest. The LE hold contraction strategy, below 50% MVC, was found to be the most viable trunk motor control neuroimaging paradigm.
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影响因子：
3
作者：
Mehta, Jay P.;Verber, Matthew D.;Schindler-Ivens, Sheila M.
通讯作者：
Schindler-Ivens, Sheila M.
影响因子：
--
作者：
Giesecke, T;Gracely, RH;Clauw, DJ
通讯作者：
Clauw, DJ
影响因子：
5.7
作者：
FRISTON, KJ;FRITH, CD;FRACKOWIAK, RSJ
通讯作者：
FRACKOWIAK, RSJ
DOI：
10.1016/j.berh.2010.10.002
发表时间：
2010-12-01
影响因子：
5.2
作者：
Hoy, D.;Brooks, P.;Buchbinder, R.
通讯作者：
Buchbinder, R.
影响因子：
3
作者：
Goss, David A., Jr.;Thomas, James S.;Clark, Brian C.
通讯作者：
Clark, Brian C.