@Article{ authors = " Tomas Herrera-Valenzuela", title = "Six Weeks of HIIT Based on Repeated 5-Meter Sprints vs. Countermovement Jumps : Effects on Physical Performance among Karate Athletes : A Pilot-Study ", journal = "Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports", issue = "2020 / Tom 20 / Numer 2", pages = "24 - 32" }

@Article{ authors = " Tomas Herrera-Valenzuela, Cristopher Ibieta, Mauricio Saez Fuentes, Paulo Saez-Madain, Jorge Cancino Lopez, Francisco Verdugo, Rodrigo Ramirez-Campillo, Pablo Valdes-Badilla, Carolina Pardo, Emerson Franchini, Pedro Orihuela", title = "Physiological responses of elite karate athletes during simulated competition ", journal = "Ido Movement for Culture : journal of martial arts anthropology : theory of culture, psychophysical culture, cultural tourism, anthropology of martial arts, combat sports", issue = "2019 / Tom 19 / Numer 4", pages = "45 - 50" }