目的:系统评价水中运动对老年帕金森病患者平衡功能与运动能力的影响。方法:检索中国知网、万方与维普等中文数据库,以及Web of Science、PubMed、EMBASE、ScienceDirect、Cochrane Library等英文数据库,筛选出水中运动干预老年帕金森...目的:系统评价水中运动对老年帕金森病患者平衡功能与运动能力的影响。方法:检索中国知网、万方与维普等中文数据库,以及Web of Science、PubMed、EMBASE、ScienceDirect、Cochrane Library等英文数据库,筛选出水中运动干预老年帕金森病患者的随机对照试验研究文献。检索时限从2000年1月至2025年3月,研究组采用水中运动或水陆联合运动方式,对照组采用常规康复或陆地运动方式。结局指标包括帕金森量表第三部分评分、Berg平衡量表评分、起立-行走计时测验、帕金森病调查问卷39评分及5 min起坐测试结果。由2名研究者独立提取数据,并按照Cochrane手册5.3标准对纳入文献进行偏倚风险评估,采用Rev Man 5.3统计软件进行Meta分析。结果:此次Meta分析共纳入7篇随机对照试验研究,共计241例患者。分析结果显示,与对照组相比,研究组干预后Berg平衡量表评分(MD=5.30,95%CI:2.55-8.06,P=0.0002)、5 min起坐测试次数(MD=3.79,95%CI:1.84-5.75,P=0.0001)明显升高,起立-行走计时明显缩短(MD=-1.93,95%CI:-2.64至-1.22,P<0.00001)。两组干预后帕金森评价量表第三部分评分(MD=-1.31,95%CI:-3.90-1.28,P=0.32)、帕金森病调查问卷39评分(MD=-3.64,95%CI:-9.77-2.49,P=0.24)均无统计学差异。结论:水中运动显著改善了老年帕金森病患者的平衡功能、下肢肌力、步态速度及移动能力,但对上肢协调性、精细动作等运动能力及生活质量的改善效果尚不明确,未来仍需通过方法严谨、长干预周期的研究进行验证。展开更多
Races using kitefoil and windfoil surfboards have been in the Olympic Games for the first time in Paris 2024,signalling their relevance in sailing sports.However,the dynamics of these devices is yet not well understoo...Races using kitefoil and windfoil surfboards have been in the Olympic Games for the first time in Paris 2024,signalling their relevance in sailing sports.However,the dynamics of these devices is yet not well understood,in particular the influence on the hydrodynamic forces and moments of the distance of the foil to the free surface.Considering this,the present paper documents an experimental investigation in which forces and torque produced,under uniform flow,by a full-scale state-of-the-art hydrofoil(suitable both for kitesurf and windsurf)were measured.A range of velocities,angles of attack,and submergences were tested,leading to Froude numbers based on submergence with maximum values around five,a typical range in actual sailing conditions.From these tests,formulae for the hydrodynamic coefficients have been proposed.They can be used for developing Velocity Prediction Programs(VPP)for this kind of craft,a necessary tool to plan racing configurations and to analyze their racing performance.With the aim of making the experimental data useful for benchmarking numerical models and for future research on related topics such as foil ventilation and transition to turbulence,the specimen’s 3D file is provided as supplementary material to this paper.展开更多
文摘目的:系统评价水中运动对老年帕金森病患者平衡功能与运动能力的影响。方法:检索中国知网、万方与维普等中文数据库,以及Web of Science、PubMed、EMBASE、ScienceDirect、Cochrane Library等英文数据库,筛选出水中运动干预老年帕金森病患者的随机对照试验研究文献。检索时限从2000年1月至2025年3月,研究组采用水中运动或水陆联合运动方式,对照组采用常规康复或陆地运动方式。结局指标包括帕金森量表第三部分评分、Berg平衡量表评分、起立-行走计时测验、帕金森病调查问卷39评分及5 min起坐测试结果。由2名研究者独立提取数据,并按照Cochrane手册5.3标准对纳入文献进行偏倚风险评估,采用Rev Man 5.3统计软件进行Meta分析。结果:此次Meta分析共纳入7篇随机对照试验研究,共计241例患者。分析结果显示,与对照组相比,研究组干预后Berg平衡量表评分(MD=5.30,95%CI:2.55-8.06,P=0.0002)、5 min起坐测试次数(MD=3.79,95%CI:1.84-5.75,P=0.0001)明显升高,起立-行走计时明显缩短(MD=-1.93,95%CI:-2.64至-1.22,P<0.00001)。两组干预后帕金森评价量表第三部分评分(MD=-1.31,95%CI:-3.90-1.28,P=0.32)、帕金森病调查问卷39评分(MD=-3.64,95%CI:-9.77-2.49,P=0.24)均无统计学差异。结论:水中运动显著改善了老年帕金森病患者的平衡功能、下肢肌力、步态速度及移动能力,但对上肢协调性、精细动作等运动能力及生活质量的改善效果尚不明确,未来仍需通过方法严谨、长干预周期的研究进行验证。
文摘Races using kitefoil and windfoil surfboards have been in the Olympic Games for the first time in Paris 2024,signalling their relevance in sailing sports.However,the dynamics of these devices is yet not well understood,in particular the influence on the hydrodynamic forces and moments of the distance of the foil to the free surface.Considering this,the present paper documents an experimental investigation in which forces and torque produced,under uniform flow,by a full-scale state-of-the-art hydrofoil(suitable both for kitesurf and windsurf)were measured.A range of velocities,angles of attack,and submergences were tested,leading to Froude numbers based on submergence with maximum values around five,a typical range in actual sailing conditions.From these tests,formulae for the hydrodynamic coefficients have been proposed.They can be used for developing Velocity Prediction Programs(VPP)for this kind of craft,a necessary tool to plan racing configurations and to analyze their racing performance.With the aim of making the experimental data useful for benchmarking numerical models and for future research on related topics such as foil ventilation and transition to turbulence,the specimen’s 3D file is provided as supplementary material to this paper.
