Customizing intense interval exercise training prescription using the “frequency, intensity, time, and type of exercise” (FITT) principle

Intense interval exercise training induces various physiological and metabolic adaptations related to performance and health. For designing a program, the F.I.T.T. principle, referring to frequency, intensity, time, and type of exercise, can be used to manipulate the level of physiological stress in...

Full description

Bibliographic Details

Published in:	Frontiers in Physiology
Main Authors:	Pinelopi S. Stavrinou, Todd A. Astorino, Christoforos D. Giannaki, George Aphamis, Gregory C. Bogdanis
Format:	Article
Language:	English
Published:	Frontiers Media S.A. 2025-04-01
Subjects:	high intensity interval training sprint interval training frequency cardiorespiratory fitness heart rate blood lactate concentration
Online Access:	https://www.frontiersin.org/articles/10.3389/fphys.2025.1553846/full