Too Much Sitting May Kill You Earlier

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Analyses of more than 17,000 men and women over about 13 years, and found that people who sit for most of the day are 54 percent more likely to die of heart attacks.

[Health Report]
 

We stand around a lot here at Men’s Health. Infact, a few of us don’t even have office chairs. Instead, we write, edit,and answer e-mails—a lot of e-mails—while standing in front of our computers. All day long. Why?

It all started last summer, when Assistant Editor Maria Masters came across a shocking study in the Medicine & Science in Sports & Exercise --one of dozens of research journals we comb each month as we put together the magazine. Scientists at
the Pennington Biomedical Research Center in Louisiana analyzed the lifestyles of more than 17,000 men and women over about 13 years, and found that people who sit for most of the day are 54 percent more likely to die of heart attacks.

That’s right—I said 54 percent!

Masters immediately called the lead researcher at Pennington, a professor named Peter Katzmarzyk. Turns out, this wasn’t the first study to link sittingand heart disease. Similar research actually dates back to 1953, when British researchers found that
(sitting) bus drivers were twice as likely to die ofheart attacks as (standing) trolley operators.

Here’s the most surprising part: “We see it in people who smoke andpeople who don’t,” Katzmarzyk told Masters. “We see it inpeople who are regular exercisers and those who aren’t. Sitting is anindependent risk factor.”

In other words, it doesn’t matter how much you exercise or how well youeat. If you sit most of the day, your risk of leaving this world clutching yourchest—whether you’re a man or women—as much as doubles.

BonusTip: For the latest health, fitness, and nutrition tips andadvice, check out our all-new Today's News channel!
This raised a rather obvious question: Why? Truth is, the researchers aren’tsure. But Marc Hamilton, Ph.D., one of Katzmarkzyk’s colleagues, suspects it has to do with an enzyme called lipoprotein lipase (LPL), which breaks down fat in the bloodstream and turns it into energy.

Hamilton found that standing rats have ten times more of the stuff coursing through their bodies than laying rats. It doesn’t matter how fit the rats are; when they leave their feet,their LPL levels plummet. Hamilton believes the same happens in humans.

Still sitting? Then you should know that your office chair also:

1. Screws up your posture.The fascia, the tissue that connects individual muscles into a full-body network, begins to set when you stay in one position for too long, says Men’s Health advisor Bill Hartman,P.T., C.S.C.S., a physical therapist in Indianapolis. If you’re hunched over a keyboard all day, this eventually becomes your normal posture.

2. Makes you fatter.This happens for two reasons. First, you burn 60 more calories an hour when standing versus sitting. But more importantly, says Hartman, when you spend too much time sitting, your largest muscle group—the glutes (a.k.a.
your butt)—become lazy and quit firing. This is called gluteal amnesia. And it means you burn fewer calories.

3. Causes lower back pain. Weak glutes push your pelvis forward, putting stress on the spine, says Hartman. Here’s the other unseemly thing that happens when your  pelvis tilts forward: Your belly protrudes, making you look 5 months pregnant.

Sowhat’s a desk-bound worker to do? First, Hamilton suggests you change how you think about fitness. We have a tendency to segment our lives—work, home, and downtime.

Exercise falls into the last category, something we squeeze into our busy schedules when possible. But if you stop thinking about exerciseas an activity, and instead think of it as a lifestyle, it’s easier tomake healthy choices throughout the day.

In other words: Stop trying to be fit, and start trying to live fit.

Second, of course, is to stand more throughout the day. These strategies willget you up on your feet more often:

Strategy #1: Taketwo breaks an hour. Grab a drink from the water fountain. Pop over to the cube next door to say hi. Or simply stand and stretch for a minute. A European Heart Journal study of 5,000men and women found that the quarter who took the most breaks during the daywere 1.6 inches thinner than the quarter who took the least.

Strategy #2: Standduring phone calls. It may seem like a small thing but, as Hamilton toldMasters: “Small choices will help move you in the right direction. . . .It all adds up, and it all matters.”

Strategy #3:Don’t write long emails. If crafting an email will take longer than 15 minutes, go talk to the person instead. Or stand up and call them.

Strategy #4: Ask HR for a standup desk. Australian researchers found that workers who log more than 6 hours of seat time a day are up to 68 percent more likely to be overweight. If you make the changes above and your waistline isn’t shrinking,
a standup desk may be the answer. Make sure the screen is at arm’s length, and the top at eye level. Position the keyboard so your elbows are bent 90degrees. Men’s Health Senior Editor Bill Stieg built his own.


Bonus Tip: Read Maria Masters’ entire special reportabout the dangers of sitting too much at the office.

 

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