Nj1015.com 5/5/2015
“… HIIT, or High Intensity Interval Training, is a popular way of working the entire body by doing quick, intense bursts of exercise, with a short recovery to get your heart rate up and burn more fat in less time. …”
Read the entire article: http://nj1015.com/fitness-trends-how-people-are-getting-in-shape/
