Racewalkingsharesmanyfitnessbenefitswithrunning,rese...
问题详情： Racewalkingsharesmanyfitnessbenefitswithrunning,researchshows,whilemostlikelycontributingtofewerinjuries.Itdoes,however,haveitsownproblem.Racewalkersareconditionedathletes.Thelongesttrac...