But a more subtle aspect of cardio training involves targeting a particular heart rate zone, like zone 2 heart rate, to reap ...

If you improve your ability to exercise with a lowered heart rate (i.e. zone 2), without switching up to the glycolytic energy system by increasing your heart rate and going up a zone, you broaden ...

Zone 2 enthusiasts believe that exercising at that effort level for at least a few hours per week can help ward off chronic conditions such as Type 2 diabetes and heart disease. But some ...