I discovered why 80% of my workouts were in the wrong heart zone (35% stronger in 8 weeks)
Your heart holds the key to more effective workouts. When I first discovered heart rate zone training, my endurance improved by 35% in just eight weeks. This science-backed approach isn’t just for elite athletes—it’s a powerful tool anyone can use to transform their fitness journey while significantly reducing injury risk. Understanding your heart’s training zones … Lire plus