Texting can put up to four stone of extra weight on your spine as you
hunch over your phone – the equivalent of three car tyres.
And this pressure on the cervical vertebrae in the neck can cause long term damage, researchers have warned.
The
human head weighs between ten and 12lbs when it is upright, the US
scientists said. But tilting your head by 15 degrees adds an extra
27lbs, with more weight added the further you lean. A 60 degree angle
adds as much as 60lbs (four stone).
The
report, published in Surgical Technology International, said: ‘These
stresses may lead to early wear, tear, degeneration and possibly
surgeries.’
The scientists
encouraged users to adopt good posture, which they defined as having
the ears aligned with the shoulders and the shoulders set back.
Lead
researcher Dr Kenneth Hansraj, of the New York Spine Surgery and
Rehabilitation Medicine, added: ‘While it is nearly impossible to avoid
the technologies that cause these issues, individuals should make an
effort to look at their phones with a neutral spine and to avoid
spending hours each day hunched over.’
Bad
posture has been linked to a range of other conditions, including heart
problems, headaches and constipation, while good posture reduces the
production of the stress hormone cortisol.
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