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Author Topic: RVJ to SVJ correlation, and vice versa  (Read 4406 times)

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fast does lie

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RVJ to SVJ correlation, and vice versa
« on: December 20, 2012, 10:52:34 pm »
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At what point do you say, "hey, he has to have atleast a 40 inch SVJ" 

For example, this video here:

<a href="http://www.youtube.com/watch?v=yh-vuGt4cP0" target="_blank">http://www.youtube.com/watch?v=yh-vuGt4cP0</a>

Guy's gotta 50 in RVJ, but that doesn't guarantee he's got 40 inch SVJ.  he's a lanky dude like a kangaroo. 

So at what point is one's RVJ high enough where he is guaranteed a 40 SVJ?
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Mikey

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Re: RVJ to SVJ correlation, and vice versa
« Reply #1 on: December 20, 2012, 11:13:53 pm »
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There is no ratio. Stephen Holm has like a 22 inch vert yet he can jump over hurdles that are over 6 feet high.
<a href="http://www.youtube.com/watch?v=WVZ3ZcorTF0" target="_blank">http://www.youtube.com/watch?v=WVZ3ZcorTF0</a>
Same as Allen Iverson had a RVJ that was around 40 inches but I coudn't see AI having a SVJ of anything much more than mid 20s.
Watch TFB videos and you'll notice that there are barely any dunks that are done without a run up, let alone from a standstill even though these guys all have 40-50 inch verts. Any 'correlation' will have a lot less impact as well if people are single leg jumpers.
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Mikey

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Re: RVJ to SVJ correlation, and vice versa
« Reply #2 on: December 20, 2012, 11:25:48 pm »
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The only way to correlate an RVJ to SVJ conversion would be to look at the reactivity of a person. Even the most unreactive person in the world will at least have an even RVJ compared to their SVJ. So somebody with bad reactivity will probably only have an RVJ of SVJ + 0-4 inches. Somebody with decent reactivity would have SVJ + 5-8 inches. Someone with good reactivity SVJ=9-12 inches. Somebody with great reactivity SVJ +13-16 inches. Anything 17+ inches of their SVJ is elite in terms of reactivity and probably in jumping.
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Raptor

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Re: RVJ to SVJ correlation, and vice versa
« Reply #3 on: December 21, 2012, 06:15:46 am »
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When people talk about reactivity they should in reality talk about good or bad calf strength and good or bad glute strength.

Someone with bad calf strength will not be reactive. Someone with bad glute strength will not be reactive. Someone with huge quad dominance will not be reactive. Then obviously it's also a matter of structure (where even if the guy is weak, the alignment of his limbs does or does not overload certain weak areas).
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pelham32

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Re: RVJ to SVJ correlation, and vice versa
« Reply #4 on: December 21, 2012, 07:37:33 am »
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I always thought for the average person it's usually 4-6 inches and the correlation never really changes much.  Raptor do you know any good reactive tests for calve or glute strength?
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Raptor

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Re: RVJ to SVJ correlation, and vice versa
« Reply #5 on: December 21, 2012, 07:59:02 am »
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Well consecutive ankle bounces, and anything that is consecutive and quick (2-leg bounds, 1-leg bounds, hurdle jumps, depth jumps, quick depth jumps etc) is a good indicator of "bounciness" or "good feet".

In terms of the glutes it's more of a structural thing I guess, where they are excited better with a drop-step plant vs. a SVJ plant due to better leverage.
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All time squat: 165 kg/Old age squat: 130 kg
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