We use them all the time. Some of us can’t leave home without it. And more than likely you are looking down at one right now.
It’s your smartphone. But looking down at it all day long could be bad for your health.
The human head weighs about a dozen pounds. But as the neck bends forward and down, the weight on the cervical spine begins to increase.
At a 15-degree angle, this weight is about 27 pounds, at 30 degrees it’s 40 pounds, at 45 degrees it’s 49 pounds, and at 60 degrees it’s 60 pounds! Imagine an extra 60 pounds on your spine and shoulders. Definitely unhealthy.
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That’s the burden that comes with staring at a smartphone — the way millions do for hours every day, according to research published by Kenneth Hansraj in the National Library of Medicine. The study appeared in April 2015’s issue of Surgical Technology International.
Over time, researchers say, this poor posture, sometimes called “text neck,” can lead to early wear-and-tear on the spine, degeneration, and even surgery.
“It is an epidemic or, at least, it’s very common,” Hansraj, chief of spine surgery at New York Spine Surgery and Rehabilitation Medicine, told The Washington Post. “Just look around you, everyone has their heads down.”
How bad is text neck?
Imagine carrying an 8-year-old around your neck several hours per day. Smartphone users spend an average of two to four hours per day hunched over, reading e-mails, sending texts, or checking social media sites.
That’s 700 to 1,400 hours per year people are putting stress on their spines, according to the research. And high schoolers might be