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‘Tech Neck’ yet another hazard of the electronic age

‘Tech Neck’ yet another hazard of the electronic age

Source: University of Wisconsin School of Medicine and Public Health

whatdoctorsknow.com

When Mom nagged you to “sit up straight,” she likely had no idea how important that advice would become, thanks to our reliance on smartphones and tablets.

One study suggests that the average person spends 2-4 hours every day on electronic devices. That’s thousands of hours every year spent in a position that puts several extra pounds of stress on the neck. Heavy users of handheld technology aren’t the only ones at risk. Other activities, from reading to driving, can strain your neck, as well.

Bill Boissonnault, associate professor at the University of Wisconsin (UW) School of Medicine and Public Health, and Lori Thein Brody, physical therapist with UW Sports Medicine and Spine Center, share tips to give your neck a break.

Neck muscles struggle to support head

The human head weighs an average of 12 pounds, and your body is designed to hold it up all the time. It’s actually the inclination, or angle, of your neck that worries many physicians. Thein Brody says the problem–and the solution–lies in simple physics.

The more you tilt your head down, the farther you’re separating the axis of rotation (in this case, the neck) from the mass of the limb (the head). This creates more work for the back of your neck as it tries to hold your head up.

Boissonnault uses the analogy of a bowling ball to break down the science. If you grab a 12-pound ball in one palm, and bend your elbow so the ball is close to your torso, it’s easy enough to hold for some time. But as soon as you start to straighten that elbow, and your hand moves farther away from your body, the ball feels heavier.

Only in recent years have people begun using smartphones and tablets for several hours a day. And because the effects of maintaining the same posture for long periods of time can take years to manifest, researchers aren’t yet sure how this will affect user long-term. Even so, Boissonnault has serious concerns.

As seen in other instances of poor posture, muscles can fatigue and cause soreness and pain. If the muscles tire too much, he says, they may stop supporting the neck’s ligaments and joints altogether and put more weight on discs and joints, which in turn could increase the risk of arthritis. Thein Brody wonders whether younger generations who start using electronics at ever earlier ages will essentially train their neck muscles to become stronger.

“Will humans evolve to have stronger neck muscles in response to this kind of load?” she asks.

So, you say, you’re not addicted to electronics? If you don’t pay attention and straighten up once in a while when reading books or newspapers, driving, or even cooking–repeated over months and years–you could put yourself at risk.

“(Maintaining) any single posture for prolonged periods of time, (or repeating) a certain activity over and over … can get people into trouble,” Boissonnault says. He also urges extra awareness of “tech neck” for anyone with a previous neck injury, or whose work requires them to sit at a desk for long periods of time, with the head in a forward position.

TIPS TO STRAIGHTEN UP AND STAY HEALTHY

To avoid straining your neck:

1. Bring your device (or reading material) higher and closer to your face, allowing your head and neck to stay erect.

2. Try using a hands-free bookstand, music stand or pillow. The key is to bring whatever you’re looking at closer to your face, and up to eye-level.

3. Prop a hand under your chin so your neck muscles are not supporting the weight of your head all alone.

4. Move around. Try these stretches and postures to get unstuck:

–Gently roll your head to its normal position, roll your shoulders and squeeze your shoulder blades together and down. Keep an eye on your hips, too. Boissonnault says posture problems often start with the hips and lower back, so it’s important to stay balanced (keeping your hips in a vertical line with the rest of your body), and not slump into the low back.

–Tight pectoral muscles can pull your torso into a rounded posture. Try stretching your front with this exercise: Face a corner with your elbows extended, grab the corner and lean in, leading with your chin.

(WhatDoctorsKnow is a magazine devoted to up-to-the minute information on health issues from physicians, major hospitals and clinics, universities and health care agencies across the U.S. Online at www.whatdoctorsknow.com.)

(c) 2015 WHATDOCTORSKNOW.COM DISTRIBUTED BY TRIBUNE CONTENT AGENCY, LLC.

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