目的利用文献计量学和可视化方法,总结和分析运动诱导的氧化应激在骨骼肌健康和功能障碍领域的已有研究,预测前沿趋势。方法基于Web of Science检索2003年1月1日至2022年12月31日的文献。使用Scimago Graphica、CiteSpace和VOSviewer对...目的利用文献计量学和可视化方法,总结和分析运动诱导的氧化应激在骨骼肌健康和功能障碍领域的已有研究,预测前沿趋势。方法基于Web of Science检索2003年1月1日至2022年12月31日的文献。使用Scimago Graphica、CiteSpace和VOSviewer对排名靠前的国家、机构、作者、关键词进行分析。结果共纳入文献4185篇,文章数量总体呈快速增长趋势。美国、巴西和中国的研究成果居于领先地位。Radak Z.和Powers S.K.分别是表文章和被引用次数最多的作者。主要关键词为“体力活动”“自由基”“脂质过氧化”。关键词突现的分析表明,以“肌肉减少症”和“肌肉减少性肥胖症”为代表的老年慢性病的分子机制,可能成为运动诱导氧化应激作用于骨骼肌健康和功能障碍领域的未来研究方向。结论本研究对骨骼肌健康和功能障碍中运动诱导的氧化应激进行了文献计量分析,有助于了解该领域的整体发展情况,并为该领域的研究人员提供了多方面的见解。展开更多
Physical activity is consistently associated with reduced mortality,decreased risk for non-communicable diseases,and improved mental health in observational studies.Randomized controlled trials and observational Mende...Physical activity is consistently associated with reduced mortality,decreased risk for non-communicable diseases,and improved mental health in observational studies.Randomized controlled trials and observational Mendelian randomization studies support causal links between physical activity and health outcomes.However,the scarcity of evidence from randomized controlled trials,along with their inherent challenges like exposure contrasts,healthy volunteer biases,loss to follow-up,and limited real-world dose-response data,warrants a comprehensive approach.This review advocates synthesizing insights from diverse study designs to better understand the causal relationship between physical activity,mortality risk,and other health outcomes.Additionally,it summarizes recent research since the publication of current physical activity recommendations.Novel observational studies utilizing device-measured physical activity underscore the importance of every minute of activity and suggest that all intensity levels confer health benefits,with vigorous-intensity potentially requiring lower volumes for substantial benefits.Future guidelines,informed by device-measured physical activity studies,may offer refined age-specific recommendations,emphasize vigorous-intensity physical activity,and include daily step counts as a simple,easily assessable metric using commercial wearables.展开更多
目的:探究经颅直流电刺激(transcranial direct current stimulation,tDCS)对体育专业大学生时间知觉和速度知觉表现的影响。方法:使用多功能经颅电刺激仪器真刺激组和假刺激组进行实验数据测试,采用SPSS26.0进行差异性分析。结果:真刺...目的:探究经颅直流电刺激(transcranial direct current stimulation,tDCS)对体育专业大学生时间知觉和速度知觉表现的影响。方法:使用多功能经颅电刺激仪器真刺激组和假刺激组进行实验数据测试,采用SPSS26.0进行差异性分析。结果:真刺激组在受到tDCS刺激干预(刺激强度1.5mA,刺激时间20min)后时间知觉和速度知觉表现均有提升,并具有显著性差异(P<0.05);假刺激组在受到tDCS刺激干预(仅开始60s提供1.5mA的刺激强度)后时间知觉和速度知觉表现略有提升,但不具有显著性差异(P>0.05);真刺激组和假刺激组在时间知觉和速度知觉实验的前测中并无显著性差异,干预后即刻,真刺激组在时间知觉和速度知觉实验中的表现均优于假刺激组,时间知觉实验中2s、5s两种指标类型具有显著性差异(P<0.05),时间知觉实验中10s指标类型和速度知觉实验中快速、慢速两种指标类型不具有显著性差异(P>0.05)。结论:经颅直流电刺激可以在一定程度上提升受试者的时间知觉和速度知觉表现。展开更多
文摘Physical activity is consistently associated with reduced mortality,decreased risk for non-communicable diseases,and improved mental health in observational studies.Randomized controlled trials and observational Mendelian randomization studies support causal links between physical activity and health outcomes.However,the scarcity of evidence from randomized controlled trials,along with their inherent challenges like exposure contrasts,healthy volunteer biases,loss to follow-up,and limited real-world dose-response data,warrants a comprehensive approach.This review advocates synthesizing insights from diverse study designs to better understand the causal relationship between physical activity,mortality risk,and other health outcomes.Additionally,it summarizes recent research since the publication of current physical activity recommendations.Novel observational studies utilizing device-measured physical activity underscore the importance of every minute of activity and suggest that all intensity levels confer health benefits,with vigorous-intensity potentially requiring lower volumes for substantial benefits.Future guidelines,informed by device-measured physical activity studies,may offer refined age-specific recommendations,emphasize vigorous-intensity physical activity,and include daily step counts as a simple,easily assessable metric using commercial wearables.
文摘目的:探究经颅直流电刺激(transcranial direct current stimulation,tDCS)对体育专业大学生时间知觉和速度知觉表现的影响。方法:使用多功能经颅电刺激仪器真刺激组和假刺激组进行实验数据测试,采用SPSS26.0进行差异性分析。结果:真刺激组在受到tDCS刺激干预(刺激强度1.5mA,刺激时间20min)后时间知觉和速度知觉表现均有提升,并具有显著性差异(P<0.05);假刺激组在受到tDCS刺激干预(仅开始60s提供1.5mA的刺激强度)后时间知觉和速度知觉表现略有提升,但不具有显著性差异(P>0.05);真刺激组和假刺激组在时间知觉和速度知觉实验的前测中并无显著性差异,干预后即刻,真刺激组在时间知觉和速度知觉实验中的表现均优于假刺激组,时间知觉实验中2s、5s两种指标类型具有显著性差异(P<0.05),时间知觉实验中10s指标类型和速度知觉实验中快速、慢速两种指标类型不具有显著性差异(P>0.05)。结论:经颅直流电刺激可以在一定程度上提升受试者的时间知觉和速度知觉表现。
