More people than ever
sit in front of a computer for a living these days, and if you're reading this
online it's likely that you're one of them. So before you get back to being
productive for your boss, let's review some ways you can spare your neck in the
process.
First, the basics:
Your head weighs, on average, about 12 pounds. You have a fairly complicated
series of joints and muscles holding that weight off your shoulders and giving
you the freedom to look around. Like every other complicated system, the more
moving parts to deal with, the more likelihood for something to go wrong. Some
of the muscles that get tweaked and stretched when your head moves too far
forward (the classic computer posture) are the deep flexor muscles. That would
be these guys:
These muscles work in
concert with others in the posterior aspect of your neck to give both stability
and freedom of movement to the head. They also get beat up when we get our
heads too far forward and keep them there all day, like you may very well be
doing right now. Interesting fact--every inch forward your head moves takes
three times more power to support the weight. Makes sense--if you hold a
bowling ball close to your body it's easier to support than holding it out in
front. And your head weighs about the same as a bowling ball. No disrespect.
Eventually, certain
muscles get too tight which causes others to turn off ("reciprocal
inhibition," again). This happens because muscles activated on one side of
a joint cause the muscles on the other side of the same joint to become
inhibited--when you flex your bicep, your tricep has to turn off so you can
perform the movement. Your neck is no different, and when it happens for hours
on end in only one direction neck pain is often the result. This is sometimes
referred to as "upper crossed syndrome." It looks like this:
Thanks for sharing this very helpful information.
ReplyDeleteKeep up the great work.