Americans are stuck in chairs and on the couch, spending eight hours a day with their metabolic engines barely idling, according to data from sensors that scientists put on nearly 2,600 people to see what they actually did all day.
The results were not encouraging: Obese women averaged about 11 seconds a day at vigorous exercise, while men and women of normal weight exercised vigorously (on the level of a jog or brisk uphill hike) for less than two minutes a day, according to the study published in Mayo Clinic Proceedings.
If you included moderate exercise, such as yoga or golf, folks of normal weight logged about 2.5 to 4 hours weekly, according to the data. In part, that’s good news: federal recommendations for adults include 2.5 hours of moderate-intensity aerobic activity coupled with muscle-strengthening exercise.
http://www.latimes.com/science/sciencenow/la-sci-sn-exercise-sedentary-20140221,0,2080046.story
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