...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>The Journal of Musculoskeletal and Neuronal Interactions >Repeatability of knee impulsive loading measurements with skin-mounted accelerometers and lower limb surface electromyographic recordings during gait in knee osteoarthritic and asymptomatic individuals
【24h】

Repeatability of knee impulsive loading measurements with skin-mounted accelerometers and lower limb surface electromyographic recordings during gait in knee osteoarthritic and asymptomatic individuals

机译：在膝关节骨关节炎和无症状个体步态中，使用皮肤加速计和下肢表面肌电图记录膝部脉冲负荷测量的可重复性

获取原文
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Objectives: To determine the repeatability of knee joint impulsive loading measurements with skin-mounted accelerometers (SMAs) and lower limb surface electromyography (EMG) recordings during gait. Methods: Triaxial SMA and EMG from 4 muscles during level and stair walking in nine healthy and nine knee osteoarthritis (OA) subjects were used. The initial peak acceleration (IPA), root mean square (RMS), maximal acceleration transient rate (ATR max ) and mean EMG activity (EMGact) were calculated. The coefficient of variation (CV) and the intraclass correlation coefficient (ICC) were calculated to measure repeatability. Results: The CV and ICC of RMS accelerations ranged from 4.9% to 10.9% and from 0.69 to 0.96 in both study groups during level walking. The CV and ICC of IPA and ATR max varied from 7.7% to 14.2% and from 0.85 to 0.99 during level and stairs up walking in healthy subjects. The CV and ICC of EMGact ranged from 8.3% to 31.7% and from 0.16 to 0.97 in both study groups. Conclusions: RMS accelerations exhibited good repeatability during walking in healthy and knee OA subjects. The repeatability of EMG measurements was acceptable in healthy subjects depending on the measured muscles.
机译：目的：确定步态期间使用皮肤安装的加速度计（SMA）和下肢表面肌电图（EMG）记录进行膝关节脉冲负荷测量的可重复性。方法：对9名健康人和9名膝关节骨关节炎（OA）受试者的水平和阶梯行走过程中，从4块肌肉的三轴SMA和EMG进行了研究。计算了初始峰值加速度（IPA），均方根（RMS），最大加速度瞬变率（ATR max）和平均EMG活性（EMGact）。计算变异系数（CV）和组内相关系数（ICC）以测量可重复性。结果：在水平行走过程中，两个研究组的RMS加速度的CV和ICC范围分别为4.9％至10.9％和0.69至0.96。健康受试者的IPA和ATR最大值的CV和ICC从7.7％到14.2％，从0.85到0.99不等。在两个研究组中，EMGact的CV和ICC分别为8.3％至31.7％和0.16至0.97。结论：在健康和膝骨OA受试者的行走过程中，RMS加速度表现出良好的可重复性。 EMG测量的可重复性在健康受试者中是可以接受的，具体取决于所测量的肌肉。

著录项

相似文献

  • 外文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号