With hundreds of millions of people sitting at a desk as their job, it's no wonder that people are taking more and more notice of ergonomics. Ergonomics is the study of designing jobs, equipment and workplaces to suit the workers. For example, desk heights are adjusted for different height people because of what ergonomics has revealed. Poor ergonomics leads to people being uncomfortable, and will eventually result in injuries that can even be permanent. For those of you who have fallen asleep on the couch, you would know that a couch isn't designed for sleeping on and you most often wake up with a sore back or neck!
Chairs have ergonomics too. A good chair is adjustable, or it suits you in every way when you originally purchased it. The height of the chair, length of the back, angle of the back, shape of the back and even the material used all play an important role in your chair. Office chairs are becoming increasingly more ergonomic, but it's not surprising to see people sitting in poor quality chairs for more than 40 hours a week. When you really put it into perspective, even 300 dollars is well spent on a chair if you are going to sit in it for thousands of hours over the period of your lifetime.
Having the chair the right height is a good start. Ensure that your feet can touch the ground without any issues, but that you don't have to stretch your legs to make it comfortable. Ensure the chair height matches the desk height, and that your monitor is the right height to match the chair. All of these things come together and influence each other; get them right or you will suffer injuries later on.
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