She refers to a study by Dr. Glen Gaesser a professor and Director of the Healthy Lifestyles Research Center at Srizona State University " Dr. Gaesser asked his volunteers to walk briskly at an intensity equaling about 75% percent of each voluteer's maximum heart rate for 10 minutes three time during the day. The sessions took place at 9:30 a.m., 1:30 p.m. and 5:30 p.m."
The results indicate that as much benifit comes from 3 10 min workouts as one 30 min, encouraging for those of you that struggle with finding the time to get some excercise. Imagine how easy it would be on a Game Court in your home or yard.