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简介：1.IntroductionThearticlebyFinkandHouston1inthisspecialissueofJournalofSportandHealthScienceprovidesanexcellentexampleofimplementinganevidence-basedfallpreventionprograminrealcommunitieswithdiverseculturesofelderlypopulations.Althoughpreliminary,theprojectrevealedanumberofinterconnectedbarriersandfacilitatorsthatshedlightonpracticalimplications("lessonslearned")forpolicymakersandprogramprovidersregardingimplementationofanyevidence-basedintervention.WhileapplaudingFinkandHouston'seffort,inthiscommentaryweshareourexperienceswithTaiJiQuan:MovingforBetterBalance(TJQMBB)2inthestateofMaryland,withadiscussionofourownsetoflessonslearnedintermsofsuccessesandchallenges.

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简介：ThephysicalmodeldescribingtheYin-Yangbalanceinthetai-chidiagramviathemeltingandfreezingprocessesinarotatingdevicepresentedinparts1and2isfurtherdevelopedforthecontemporarytai-chidiagramandintheyuan-chidiagram.Thecontemporarytai-chidiagramshowninFig.1isasimplificationformoftheancienttai-chidiagrampresentedinReference[2].Therearetwosemi-circlesformingtheinterfacecurvebetweentheyinandyanginthecontemporarytai-chidiagram.Byknowingthelocationoftheinterfacebetweentheyinandyanginthecontemporarytai-chidiagram,therequirementforthesimulationmodelistofindtheconditiontomatchtheinterfacelocation.Thesimplificationchangesnotonlythestructurebutalsothephysicalinsightoftheancienttai-chidiagram,whichwillbedescribedinthepresentstudy.Theyuan-chidiagramshowninFig.2isthecombinationoftheMasterChen’stai-chidiagrampresentedinReferences[1,2]andthecontemporarytai-chidiagram.Th

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简介：1.IntroductionWiththeincreaseinolderpopulationsworldwide1comesanincreasedhealthburdenrelatedtochronicdiseases.2–4Oneofthemostdisablingoftheseiskneeosteoarthritis（OA）,whichoccursinmillionsofolderadultswhosubsequentlylivewithjointpainandstiffness,leadingtochronicdisabilityandadiminishedqualityoflife.5,6EpidemiologicalevidenceshowsahigherprevalenceofOAinolderadultslivinginurbanandrural

简介：Background:AlthoughTaiJiQuanhasbeenshowntorelievepainandimprovefunctionalmobilityinpeoplewithkneeosteoarthritis(OA),littleisknownaboutitspotentialbenefitsongaitcharacteristicsamongolderChinesewomenwhohaveahighprevalenceofbothradiographicandsymptomatickneeOA.ThisstudyaimstoassesstheefficacyofatailoredTaiJiQuaninterventionongaitkinematicsforolderChinesewomenwithkneeOA.Methods:Arandomizedcontrolledtrialinvolving46olderwomeninShanghai,China,withclinicallydiagnosedkneeOA.Randomized(1:1)participantsreceivedeithera60minTaiJiQuansession(n=23)3timesweeklyora60minbi-weeklyeducationalsession(n=23)for24weeks.Primaryoutcomeswerechangesingaitkinematicmeasuresfrombaselineto24weeks.SecondaryoutcomesincludedchangesinscoresontheWesternOntarioandMcMasterUniversityOsteoarthritisIndex(WOMAC)andShortPhysicalPerformanceBattery(SPPB).Results:After24weekstheTaiJiQuangroupdemonstratedbetterperformanceingaitvelocity(meandifference,8.40cm/s,p=0.01),steplength(meandifference,3.52cm,p=0.004),initialcontactangle(meandifference,2.19°,p=0.01),andmaximalangle(meandifference,2.61°,p=0.003)offlexedkneesduringstancephasecomparedtothecontrolgroup.Inaddition,theTaiJiQuangroupshowedsignificantimprovementinWOMACscores(p<0.01)(meandifference,-4.22pointsinpain,p=0.002;-2.41pointsinstiffness,p<0.001;-11.04pointsinphysicalfunction,p=0.006)andSPPBscores(meandifference,1.22points,p<0.001).Conclusion:AmongolderChinesewomenwithkneeOA,atailoredTaiJiQuaninterventionimprovedgaitoutcomes.TheinterventionalsoimprovedoverallfunctionasindexedbytheWOMACandSPPB.TheseresultssupporttheuseofTaiJiQuanforolderChineseadultswithkneeOAtobothimprovetheirfunctionalmobilityandreducepainsymptomatology.

简介：Lagrangian流动领域的粒子路径在古老的Tai-Chi图模仿Yin-Yang平衡的接口曲线很好。有四张表格，在Tai-Chi图称为鈥渇our状态鈥?。四个状态，在杨下面是主要的杨和次要的殷，并且在殷下面是主要的殷和次要的杨。现在的学习在古老的Tai-Chi图提供四个状态的合适的位置。八份三元组图表沿着古老的Tai-Chi图定位了的FuXi鈥檚也在现在的学习被开发。在古老的Tai-Chi图的Yin-Yang的接口曲线从来没算术地被描述过。它现在能被在Lagrangian流动领域里描述粒子路径的方程提出。

简介：Osteoarthritis(OA)isthemostcommonformofarthritis.ThekneeandhipjointsarethemostcommonsitesforOA,andkneeOAismoreprevalentthanhipOA.1KneeOApatientsoftensufferpain,functionaldisability,articularcartilagewearandrelatedjointspacenarrowing.AmongU.S.adults,46.4millionhavephysician-diagnosedarthritisrepresenting

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