Effective at maintaining aerobic conditioning. I wanted to get away from having to run 40 minutes 3 times a week. Doing sprints for 2-4 minutes 3 times a week i

Effective at maintaining aerobic conditioning. I wanted to get away from having to run 40 minutes 3 times a week. Doing sprints for 2-4 minutes 3 times a week is essentially the same. Also has the added benefit over my old 40 minute jog routine of increasing my quickness. I play hockey so it was noticeable how much quicker my first 3 strides have become the past 2 years. Pretty good read regarding all this: http://www.bbc.com/news/health-17177251 http://www.bbc.com/news/health-17177251