Thursday, January 20, 2011

A Mystery: Why Can't We Walk Straight?

A friend posted a link to this video, I just thought everyone should watch it:

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Haitham Seelawi's avatar

Haitham Seelawi · 740 weeks ago

It is not really a mystery, Rand. This was solved long time ago. Try standing on one leg in the dark, and see how it is really hard to keep your balance, even though it is a piece of cake when you can see what is around you.

The thing is, your equilibrioception, or sense of balance depends on visual input, as one of many other inputs, to balance your pose and gait. If the visual input was, lets say, lacking in features that may be used to gauge your balance, you will suffer a slight loss of balance which will translate to this weird phenomenon over long distances. This also happens if you were flying an airplane.
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2 replies · active 740 weeks ago
Thanks for the info, but still, it is a mystery: why can't we walk in a slanted line for example? Or in a zigzag-like path? Why the swirls & curls? And why do we return to the start point?
Haitham Seelawi's avatar

Haitham Seelawi · 740 weeks ago

You suffer a slight loss of balance toward one of your sides, which make you move incrementally toward it after each step; this will make you draw a circle, not a zig zag or a slanted line.

Why do we go back were we started? Not sure if this was accurate, but you can think of a swirl as a line that intersect with itself at different points.
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bcoz its hard!
1 reply · active less than 1 minute ago
7aka badri w enshara7 sedri Ayyoush :p
Amazing! Maybe that explains why my life is going in a circle and never forward :)
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1 reply · active 740 weeks ago
Don't you ever get dizzy? :o
Interesting ....

Who came up with the idea of experience that in the first place!!!!

and really ......why!!! o.0

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1 reply · active 740 weeks ago
Maybe someone like those guys that were walking in the fog and returned to their barn! :o
So every song that ever described the common man running around in circles is actually scientifically legit! Who knew?
Neat find :) .
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1 reply · active less than 1 minute ago
Hehe yeah!
I know right?
interesting !! :) ana i dont walk straight even with SIGHT haha
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1 reply · active 740 weeks ago
Maybe you'll be able to walk straight blindfolded then ;)
el bani adam a3waj...my dad used to blame me for being "a3waj" according to his (wrong) theories
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