Intervaltrainingisatypeofexercisethatinvolvesalternatingbetweenburstsofhigh，intensityexerciseandperiodsofrecovery.Thistypeoftrainingcanbeveryeffectiveforimprovingcardio...。...
标签： Expert
Intervaltrainingisatypeofexercisethatinvolvesalternatingbetweenburstsofhigh，intensityexerciseandperiodsofrecovery.Thistypeoftrainingcanbeveryeffectiveforimprovingcardio...。...