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Oww, ergronomics.... Answered

Recently, I've noticed my arm is aching every time I use the knexsayer.  At first it was after about 16 pumps, but now it aches after 1 pump.  The pump is not hard to pull back at all with 4 #64 bands, but for some reason the arm that pulls this pump back is starting to ache.  The gun works perfectly and there are no problems that have to do with the gun.

This has never happened before, and I wonder what is going on.  Any help?  

35 Replies

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Kiteman (author)2009-12-21

You are developing Knexititus, a deep-seated intolerance triggered by the plasticisers in the specific blend of PVC used by K'NEX.

Early symptoms include sudden muscle-weakness and an intolerance of certain phrases on the internet.

Later symptoms include an extreme swelling of certain glands, so that not even boxers are a comfortable option, and, in the final stages, you find yourself in possession of a Canadian passport.

Sell your K'NEX now!

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DrWeird117 (author)Kiteman2009-12-26

Best commenter ever. I wish you were my teacher back in school.

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ajleece (author)Kiteman2009-12-22

You just made my day. AND DJ's response made tomorrow two,

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Fred the Penguin (author)2009-12-18

The Ksayer is getting revenge on you, why? I don't know!

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user

I bet its the elastics just seizing up in the cold or something.

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knexfan9182 (author)DJ Radio2009-12-19
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DJ Radio (author)knexfan91822009-12-19
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DJ Radio (author)knexfan91822009-12-20

And you think you know that because?

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knexfan9182 (author)DJ Radio2009-12-20

because you've said where you live like a million times.

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DJ Radio (author)knexfan91822009-12-21

And how does that mean you know how cold it is here?

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Raikou-san (author)DJ Radio2009-12-21

He could look up the temperature on a weather website, for example.

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DJ Radio (author)Raikou-san2009-12-21

Nothing beats coming down here and actually FEELING the temperature.

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TheDunkis (author)DJ Radio2009-12-21

Actually getting facts would because your feelings are relative.

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DJ Radio (author)TheDunkis2009-12-21

I guess so, I'm more used to a warmer climate.  I love being out in 90 or 100 degree weather.

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Goodhart (author)DJ Radio2009-12-22
Not to mention that the humidity factor regulates how cold or warm it "feels" 
 

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Raikou-san (author)2009-12-21

It sounds to me like you might've pulled something in your arm. Have you tried switching to your other arm? For instance, if you use your right hand to pull the trigger, and your left arm to pull the pump, try using your left hand to pull the trigger, and your right arm to pull the pump.

I know it feels weird at first, but it might work.

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DJ Radio (author)Raikou-san2009-12-21

Nah my arm's fine now.  I tried pumping the knexsayer and it doesnt hurt anymore.

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Raikou-san (author)DJ Radio2009-12-21

Good, it's probably just your body replacing the lost proteins in your muscles, which also helps build up your muscles, making you stronger.

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TheDunkis (author)2009-12-21

Your arm is probably just tired. You'll notice that some muscles don't even seem tired until the very next day. It happened with my pump action airsoft gun. I kept pumping and pumping without any worry but about an hour later it started to ache just a little bit but I could still pump with ease. The next day it hurt badly to try pumping.

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DJ Radio (author)TheDunkis2009-12-21

I tried using my knexsayer today, my arm doesn't hurt anymore.

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Millawi Legend (author)2009-12-18

Its because you are weak. Lift some weights.

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DJ Radio (author)Millawi Legend2009-12-18

I do, and regularly.  This happened all of a sudden, without any warning, and it never happened before. 

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travw (author)DJ Radio2009-12-20

You lift weights in the same manner in which you pump a gun? I think not. That's why.

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Knarez (author)2009-12-19

I'm thinks it's called manning up.

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DJ Radio (author)Knarez2009-12-19

I call it something that randomly happens for no damn reason.  It was fine for a week or so, then it just happens out of the blue.

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NYPA (author)2009-12-19

Wear. If you use a car too much, it breaks down. Same hear. But you can get it repaired.

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PindaHoofd (author)2009-12-18

I really have no idea.
Maybe because your arm 'bends' too much times.

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Storm950 (author)DJ Radio2009-12-18

Using muscles you never have done before. Happened to me when I first started using a slingshot. Hand was in so much pain, then within a week was fine and never noticed the pain again.

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DJ Radio (author)Storm9502009-12-18

Actually, I used the knexsayer for about 1 week and my arm felt fine, until a few days ago.  This happens from nowhere man.

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