Regional tissue oxygenation during high-intensity exercise following voluntary isocapnic hyperpnea versus inspiratory threshold loading in endurance–trained individuals: a randomized controlled trial

D Daniel Ramos–López R Raúl Caulier–Cisterna A Andrés Vega–Moraga F Fúlvia B. Manchado–Gobatto L Luigi Gabrielli–Nervi H Hugo E. Verdejo (Facultad de Medicina, División de Cirugía, Pontificia Universidad Católica de Chile) V Vitor A. Lira M Maximiliano Espinosa–Ramírez K Karol Ramírez–Parada M Matías Crisosto–Ramos A Antonio Escobar–Neicun A Amalia Matus–Santa Cruz S Savka Miranda–Osorio K Kevin Parra–Huenchuleo A Aracelly Pérez–Caro S Sebastián Podestá–Oyarzun O Oscar F. Araneda F Felipe Contreras–Briceño