How do you measure the “intensity” of “high intensity training”? That’s easy. It’s already been done by smart people. People like Isaac Newton and James Watt (who coined the term, ’horsepower’). As far as your body is concerned, the intensity
How do you measure the “intensity” of “high intensity training”? That’s easy. It’s already been done by smart people. People like Isaac Newton and James Watt (who coined the term, ’horsepower’). As far as your body is concerned, the intensity