Why is HIIT so good?

Related questions

1. What will happens if I do HIIT everyday?
2. Is body attack good for weight loss?
3. Does HIIT cardio burn belly fat?
4. How many minutes of HIIT should I do?
5. How many calories do you burn in a body pump class?
6. Is Hiit better than running for weight loss?
7. Does HIIT really work?
8. What is HIIT good for?
9. What does a HIIT class involve?
10. Does Hiit help lose belly fat?

Tags

1. #another
2. #building
3. #effective
4. #muscle
5. #consumption
6. #improved
7. #acronym
8. #methods
9. #reason
10. #cardio
11. #fitness
12. #burning
13. #endurance
14. #enables
15. #results
16. #produces
17. #excess
18. #industry
19. #other
20. #oxygen
21. #achieve
22. #strength