Short, Frequent Workouts Get Results
Experts recommend at least 150 minutes of physical activity per week, but little is known about how best to package that time. To address the time issue, researchers measured cholesterol, blood glucose, and blood pressure levels in 1,119 adults who then wore accelerometers, which measure activity, for seven consecutive days. Participants who exercised with moderate-to-vigorous intensity for 10 or more minutes at a time were no healthier than those whose sweat sessions lasted less than 10 minutes, as long as the total active time was the same. This suggests that it doesn’t matter whether your workouts are short or long—the body rewards the total of your efforts.
Source: Medicine & Science in Sports & Exercise, January 2014