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Sitting in front of a computer screen messes up your posture. Find out how to correct it in this LifeHacker article.

"If you suffer from back pain and shoulder strain at work, chances are it has something to do with the way you're sitting. Chiropractor and wellness expert Dr. Kyra Gerber shows us the common posture mistakes we make at our desk and how we can fix them."

"By definition, you are reading this on an electronic device. More than likely a tablet or a phone. And if that's the case, then it's more than likely that you're hunched over a little, head forward. Did you just sit up straighter? Thought so… The noises from medical researchers are increasingly shrill on the damage done to us by technology  and the back pain it causes - slumped postures, 'text neck' caused by leaning over our devices is causing wear and tear from the extra pressure the unnatural postures put on our spines. The warnings are, more and more, that this is reaching 'epidemic' proportions, with 'significant' numbers looking like they will need corrective surgery. So are you going to give up your mobile and tablet? No, of course not, that would just be silly, wouldn't it? So instead, try some corrective actions:"

"I've never really thought about this until now, but if you use a tablet extensively, you have to watch how you're seated when you're using it. Just like how you sit in front of a normal computer matters to your back and neck posture, the same rules equally apply to when you're using your iPad, Android tablet or Kindle Fire."

"If there is one thing I truly understand about educators it is that they are slow to change. It might be from decades of people jumping in with the "latest and greatest" answer to a better way to do things in education, or some legislative mandate to fix it all through legislation, only to find it to fizzle out and fall way short when actually implemented. If teachers learned one thing from these experiences it is that, if you wait and ride it out long enough, all of these initiatives will all go away. The problem however is that many educators want to apply this sit and wait posture to anything that requires them leaving their zones of comfort. The mindset of a 20th Century educator is very comfortable for most educators since they were trained for the most part by 20th century educators. A majority of educators are very comfortable with the methodology and pedagogy of that time. Structure and student compliance matched to a focus on lecture and direct instruction are the common experiences of most educator"