在中等强度动态等惯性力运动负荷条件下采集腰部 L3- L4和 L5 - S1部位的 s EMG信号 ,采用快速傅立叶变换和定量递归分析与复杂度计算等方法分析研究 s EMG信号变化特征 ,采用主动康复治疗手段观察其对腰部肌肉功能的影响。结果表明 :...在中等强度动态等惯性力运动负荷条件下采集腰部 L3- L4和 L5 - S1部位的 s EMG信号 ,采用快速傅立叶变换和定量递归分析与复杂度计算等方法分析研究 s EMG信号变化特征 ,采用主动康复治疗手段观察其对腰部肌肉功能的影响。结果表明 :采样部位对各项 s EMG分析指标以及被试分组对 AEMG的作用无明显统计学意义 ,而采样时间对各项 s EMG分析指标以及被试分组对其它 s EMG分析指标的影响均有明显统计学意义。慢性下腰痛患者的 s EMG信号具有低频、不复杂和有序的信号特征 。展开更多
To explore the possibility to use 1.5 T MRI in imaging of accumulating gadolinium (Gd) into inflamed en- docrine pancreas (insulitis), we compared intravenously delivered IL-2-Gd-DTPA and Gd-DTPA (Magne- vist?) in phe...To explore the possibility to use 1.5 T MRI in imaging of accumulating gadolinium (Gd) into inflamed en- docrine pancreas (insulitis), we compared intravenously delivered IL-2-Gd-DTPA and Gd-DTPA (Magne- vist?) in phenotypically healthy 12 weeks old female non-obese diabetic (NOD) mice. At 1 to 48 h after the injection mice were sacrificed and the pancreas-to-background ratio was determined using MRI. In addition Gd concentration of the pancreas and plasma were measured. The pancreas-to-plasma ratio of Gd was 25-fold 24 h after the i.v. injection of IL-2-Gd-DTPA. At the same time the pancreas-to-background ratio measured with 1.5T MRI was 1.5-times higher in the NOD mice receiving IL-2-Gd-DTPA than Magnevist? (271 ± 37 vs. 183 ± 0,1, P = 0.04) indicating that sufficient differences may exist between IL-2-Gd-DTPA accumulating in the pancreas and in the surrounding tissues to support the use of MRI for imaging of pan- creatic insulitis.展开更多
文摘在中等强度动态等惯性力运动负荷条件下采集腰部 L3- L4和 L5 - S1部位的 s EMG信号 ,采用快速傅立叶变换和定量递归分析与复杂度计算等方法分析研究 s EMG信号变化特征 ,采用主动康复治疗手段观察其对腰部肌肉功能的影响。结果表明 :采样部位对各项 s EMG分析指标以及被试分组对 AEMG的作用无明显统计学意义 ,而采样时间对各项 s EMG分析指标以及被试分组对其它 s EMG分析指标的影响均有明显统计学意义。慢性下腰痛患者的 s EMG信号具有低频、不复杂和有序的信号特征 。
基金supported by grants from Instrumentarium Research Foundation,Research Foundation of Orion Corporation,and Special Federal Research Fund for University Hospitals in Finland.
文摘To explore the possibility to use 1.5 T MRI in imaging of accumulating gadolinium (Gd) into inflamed en- docrine pancreas (insulitis), we compared intravenously delivered IL-2-Gd-DTPA and Gd-DTPA (Magne- vist?) in phenotypically healthy 12 weeks old female non-obese diabetic (NOD) mice. At 1 to 48 h after the injection mice were sacrificed and the pancreas-to-background ratio was determined using MRI. In addition Gd concentration of the pancreas and plasma were measured. The pancreas-to-plasma ratio of Gd was 25-fold 24 h after the i.v. injection of IL-2-Gd-DTPA. At the same time the pancreas-to-background ratio measured with 1.5T MRI was 1.5-times higher in the NOD mice receiving IL-2-Gd-DTPA than Magnevist? (271 ± 37 vs. 183 ± 0,1, P = 0.04) indicating that sufficient differences may exist between IL-2-Gd-DTPA accumulating in the pancreas and in the surrounding tissues to support the use of MRI for imaging of pan- creatic insulitis.
