The Importance of Metabolic Shift in Fitness

The US women's soccer team is using this to train their female athletes. This also plays into account when it comes to fitness as well. Your resting cortisol rates combined with your metabolic shifts really dictate which workouts are optimal for each phase. If you do not modify how you're eating and how you're working out, you should expect to at best have no change at the end of the month but at worst put weight on and lose lean muscle.