2 discustion qestion answer each qestion with no less than 250 words

1-What is MYZONE training? What are the five color zones and what do they represent? How is MYZONE training different than heart rate training? How are they similar? 250 words

2-What is the benefit of using MYZONE training? Do you think this is best used in group settings, for individual workouts, or both? 250 words