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.

That’s the burden that comes with staring at a smartphone, researchers say, this poor posture, sometimes called “text neck,” can lead to early wear-and-tear on the spine, degeneration and even surgery.

Can’t grasp the significance of 60 pounds? 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.  And high-schoolers might be the worst. They could conceivably spend an additional 5,000 hours in this position.

“The problem is really profound in young people,” he said. “With this excessive stress in the neck, we might start seeing young people needing spine care. Some say for every inch the head tilts forward, the pressure on the spine doubles.

“As you stretch the tissue for a long period of time, it gets sore, it gets inflamed,” he said. It can also cause muscle strain, pinched nerves, herniated disks and, over time, it can even remove the neck’s natural curve.

*http://www.washingtonpost.com/news/morning-mix/wp/2014/11/20/text-neck-is-becoming-an-epidemic-and-could-wreck-your-spine/

 

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