Comparaison mondiale des prix

Norwegian 4x4 Protocol

Nikita Yampolski

Développeur: Nikita YampolskiFormules: 0Régions: 0

Norwegian 4x4 HIIT Timer — Interval Training & VO2 Max BOOST VO2 MAX WITH NORWEGIAN 4X4 PROTOCOL WORKOUTS Train smarter with the Norwegian 4x4 protocol, one of the most studied HIIT methods for improving cardiovascular performance and endurance. A precise, distraction-free timer guides every interval so you can focus on the effort. KEY FEATURES: - Norwegian 4x4 Timer - Precision 4min work / 3min rest cycles - Hear...