Any HIIT (high-intensity interval training) session has major fat-burning benefits, but a 4×4 workout is tops for improving fitness. | See more about Hiit Interval Training, HIIT and Interval Training.
Original pictures take http://news.health.com/2016/02/11/this-is-the-best-hiit-workout-according-to-science/ site
Комментариев нет:
Отправить комментарий