article 2025 11 pages Physiological Responses to Repeated Maximum Intensity Efforts in Surface and Underwater Fin Swimming Ioannis D. Kostoulas, Gregory Kalaitzoglidis, George Tsalis, Konstantina Karatrantou, Argyris G. Toubekis, Vassilis Gerodimos JournalJournal of Human KineticsDOI10.5114/jhk/199380Populationelite fin swimmers View on DOI ↗