Arandomizedcomplete-blockdesignexperimentwas realizedunderstandardizedproceduresandairconditionedtemperaturesat24CintheErgonomicsLaboratory,FacultyofScience,RangsitUniversity.TheRSU ethicalcommitteeapprovedtheresearchprotocol. TheparticipantsunderwentthreetypesofThaitraditionalmassage:theSenSib(SS),Ratchsamnak(RS)and Chaloeysak(CS)methods(Tyroler,2013)successively.Each treatmenttookabout15e30min.Anintervalof2weeks betweenthesessionsallowsanassumptionthattheinfluenceonalternatingthemethodswouldnotinterferethe results