Effect of the Fran CrossFit Workout on Oxygen Uptake Kinetics, Energetics, and Postexercise Muscle Function in Trained CrossFitters.
Manoel RiosKlaus Magno BeckerAna Sofia Mottini MonteiroPedro Filipe Pereira da FonsecaDavid B PyneVictor Machado ReisDaniel Moreira-GonçalvesRicardo Jorge Pinto FernandesPublished in: International journal of sports physiology and performance (2024)
The Fran unbroken workout is a high-intensity effort associated with an elevated metabolic response. This pattern of energy response highlights the primary contribution of aerobic energy metabolism, even during short and very intense CrossFit workouts, and that recovery can take >24 hours due to cumulative fatigue.