Why do we have a do...
 

[Closed] Why do we have a dominant hand, and in my case why SO dominant?

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 TimP
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Fell off on the way home last night and split open elbow on my right (dominant) side. I am now reduced to nodding and shaking my head to brush my teeth as I have to hold my toothbrush in my left hand. It is not particularly efficient and quite painful as I also have a sore neck from the fall (helmet is now in the bin in 2 bits).

So why do we favour 1 side so much more than the other?


 
Posted : 09/06/2010 10:51 am
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Toothbrush is just the tip of the iceberg... Wait till you have a w**k 😀


 
Posted : 09/06/2010 10:56 am
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I think a lot has to do with practice. Couple of years ago I shatterd my wrist on my dominant side. Since then I use my left for a lot of stuff I can't do with my right anymore. Perhaps not as well as I used to but the improvement in dexterity and strength in my left hand has been amazing.


 
Posted : 09/06/2010 10:58 am
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The practice thing is true.

I'm right handed, but strangely, I'm pretty good at using the computer mouse with my left hand!


 
Posted : 09/06/2010 11:40 am
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@ thatscold, I am reverse too, left handed but use my right for mouse (was useful when I broke my wrist). I also eat and play the guitar rigth handed so I guess it's either what you learn as you grow up or just random 😀


 
Posted : 09/06/2010 11:41 am
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i clean my teeth which ever hand is not needed to pick up the tooth paste.

a schoolfriend of mine had to learn to write lefthanded as he electrocuted his right hand and suffered partial paralysis in the hand. writing was shite though!!


 
Posted : 09/06/2010 11:44 am
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You can practice with your other hand and get it to work properly. I did this when younger cos I was annoyed and perplexed as to why my hand wouldn't do what I wanted.

I suspect it's because you pick a side when you are a baby and then that side gets all the practice and motor skills development. Just look at toddlers where neither of their hands have had much chance to develop.

For instance, I type fine with both hands equally. I used to play brass instruments using the valves with my right hand, then I switched to the French Horn where you have to use your left - not too hard. Also playing the guitar requires a lot of dexterity with your left hand. It can be done 🙂

A friend of mine was left-handed but learned to use the mouse with right hand, because she was fed up of having to move it all the time on public computers.

Another one - remember old skool computer games? I used to play a vertical scrolling shoot-em-up (Xenon in fact) which required the fire button to be hammered very quickly. So I switched to steering with my left hand so I could fire with my right - weird at first but I got the hang of it, and played every game like that.


 
Posted : 09/06/2010 12:19 pm