简介：Background:NostudieshavecomparedeffectivenessofresistancetrainingandTaiJiexerciseonrelievingsymptomsofkneeosteoarthritis(OA).Thepurposeofthestudywastoevaluateeffectsofa10-weekTaiJiandresistancetraininginterventiononimprovingOAsymptomsandmobilityinseniorswithkneeOA.Methods:Thirty-oneseniors(60-85years)wererandomlyassignedtoaTaiJiprogram(n=12),aresistancetrainingprogram(n=13),andacontrolgroup(n=6).AllparticipantscompletedtheWesternOntarioandMcMaster(WOMAC)OsteoarthritisIndexandperformedthreephysicalperformancetests(6-minwalk,timed-up-and-go,andtimedstairclimbanddescent)beforeandafterthe10-weekintervention.Results:Theparticipantsintheresistancetraininggroupsignificantlyimprovedonthetimed-up-and-gotest(p<0.001),theWOMACpainsubscore(p=0.006),WOMACstiffnesssub-score(p<0.001),andWOMACphysicalfunctionsub-score(p=0.011).TheTaiJigroupsignificantlyimprovedonthetimed-up-and-gotest(p<0.001),butnotontheWOMACscores.Conclusion:ResistancetrainingwaseffectiveforimprovingmobilityandimprovingthesymptomsofkneeOA.TaiJiwasalsoeffectiveforimprovingmobility,butdidnotimprovekneeOAsymptoms.