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SlickVT · Unread postby **SlickVT** » Sun Apr 29, 2007 10:55 pm

Agapit, I am a bit confused.

Could you clarify what force and the source of that force would cause the pole to bend if the top hand is released before pole/box contact?
Physics states that if the only force applied to the pole is the top hand moving upwards, there should be no way to determine what direction that bend will occur, if at all. In the realm of the human body, under those forces, it seems the first result would be top hand slip... blisters (thanks Tim for being the guinea pig).

Maybe I am just not reading and interpreting correctly.

Thanks.

vaultman18 · Unread postby **vaultman18** » Mon Apr 30, 2007 12:17 pm

Tim you are on the right track. However you must consider how long you have been vaulting and what effect all those years of vaulting has on your results. I will say that taking off with one hand is not natural and it is not really controlable. The bottom hand provides a lot of control. I think the reason my athlete was able to do it was because she had no concept of how to bend the pole or that it would not bend if she didn't have her bottom hand on the pole. I believe these factors enabled her to take-off with proper free take-off and be very agressive instead of worrying about taking a pole to the face. I tried this myself a couple of days ago and was able to get some bend and I made the pit but my form was horrible. I had trouble being agressive thru the take-off.

tmilhon · Unread postby **tmilhon** » Mon Apr 30, 2007 12:55 pm

ok, i've been trying out the left arm pull idea, and it has it's merits. the biggest is that it slams you on your back very early and times up very consistently on top of the pole. it has not forced me to jump on smaller poles as I had thought it would, but the vault feels much different. I am used to my feet being even with my hands before I extend up the pole, but now my hands are at my knees when I extend up the pole. I am concerned about a loss of fly away because of this but have not experienced it. From 45' and 57' approaches, it has produced consistent 26" fly away (which for the shape i'm in isn't too bad). i need to get it on film and let you all look at it...i don't even know if i'm doing it right.

agapit · Unread postby **agapit** » Mon Apr 30, 2007 2:22 pm

SlickVT wrote:Agapit, I am a bit confused.

Could you clarify what force and the source of that force would cause the pole to bend if the top hand is released before pole/box contact?

I am confused as well. When did I say that you have to release the top hand?

Did you know that bamboo bent between 1 foot to 1 foot 8 inches with some vaulters? Did you also know that they did not push bamboo poles?

So, you should go to physics department at VT and ask a professor or an assistant professor for explanation. They will be able to explain it better in person. I am not sure how much knowledge you have in mechanics to try to explain it to you in posts.

Unread postby **ashcraftpv** » Mon Apr 30, 2007 2:55 pm

I'm sure Brian meant the bottom hand.....

hallvaulter · Unread postby **hallvaulter** » Mon Apr 30, 2007 4:44 pm

ashcraftpv wrote:I'm sure Brian meant the bottom hand.....

Adam...probably did mean the bottom

agapit · Unread postby **agapit** » Mon Apr 30, 2007 5:17 pm

agapit wrote:
Did you know that bamboo bent between 1 foot to 1 foot 8 inches with some vaulters? Did you also know that they did not push bamboo poles?

So what do you think about bamboo example?

tmilhon · Unread postby **tmilhon** » Mon Apr 30, 2007 8:10 pm

something else i am experiencing from the "left arm pull" jump, that we've all been discussing, is bruising on my left arm when the pole straightens out. this usually does not happen to me...any ideas? what is wrong...

vault3rb0y · Unread postby **vault3rb0y** » Mon Apr 30, 2007 9:04 pm

agapit wrote:
agapit wrote:
Did you know that bamboo bent between 1 foot to 1 foot 8 inches with some vaulters? Did you also know that they did not push bamboo poles?

So what do you think about bamboo example?

Im just spitballing, but maybe the bend didnt occur until they swung?
Do you have video of these vaults, because i would be interested to see how you concluded they did not push. I also just want to see someone jump 15+ feet on a bamboo pole

.

ladyvolspvcoach · Unread postby **ladyvolspvcoach** » Mon Apr 30, 2007 9:11 pm

they didn'thave video back then!

SlickVT · Unread postby **SlickVT** » Mon Apr 30, 2007 9:26 pm

Bottom hand.... sorry.

So this releases immediately after pole/box contact?

vault3rb0y · Unread postby **vault3rb0y** » Mon Apr 30, 2007 9:35 pm

ladyvolspvcoach wrote:they didn'thave video back then!

so how do we know they didnt push? Im just so confused, is that word of mouth or are there pictures, what?

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