Wednesday Bubble: Get up and…

Posted by on Jan 12, 2011 in exercise, heart disease | 0 comments

move? You bet!

According to a newly published study in the advanced online edition of European Heart Journal, taking breaks from long stints at your desk or even while you’re playing couch potato can go a long way towards preventing heart disease and losing some of that waistline bulge. In fact, the researchers say that prolonged periods of being sedentary, even if you regularly participate in moderate to vigorous physical activity, can increase the risk of heart disease. The bottom line? It’s not only the length of time you’re spending at your desk or on your derriere but how often you interrupt that time that counts.

This is the first time that a large, multiethnic population of varying ages has been evaluated to determine how a lack of activity affects certain markers of heart disease, including inflammation, waist circumference, cholesterol and blood fats. Researchers studied 4,757 participants over a period of three years who wore a small device (an accelerometer) that measures both the amount and intensity of activity; this allowed them to collect data on inactivity and breaks in inactivity.

The findings? Irrespective of factors like exercise time, diet and smoking, people who took the most breaks from inactivity (~179 breaks a day) had, on average, a 1.6 inch smaller waist circumference than people who took the least amount of  breaks (~14 breaks per day) and remained inactive for the longest period of time. Moreover, taking breaks from being sedentary appeared to improve blood fats and blood glucose levels as well as C-reactive protein level (CRP, a blood protein that many experts believe, increases heart disease risk because of its role in promoting inflammation).  Another interesting finding was gender-based; even though women tended to be more sedentary overall, they did take more breaks, thereby improving their heart disease risk. This is especially notable since research has shown that not only is heart disease the number one killer of women, but it tends to increase as estrogen levels wane.

Dr. Healy, the study’s lead researcher, suggests that even small changes, standing for as little as one minute at various intervals throughout the day, may help lower heart disease risk and counter the danger of being sedentary for too long. In a work environment, this means, standing up when talking on the phone, walking over to a colleague, using the restroom, and of course, taking the stairs. If you work at home, some of these recommendations are adaptable, such as making a point to take out the garbage, walk outside for a minute or put in a load of laundry.

Truly, get up and move as often as possible. It may save your life as well as your waistline!

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