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Nature, Wilderness, Hiking, Travel, and Misc Outdoorsy stuff / Re: Random landscape of the day
« on: November 18, 2013, 03:37:50 am »
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2162
Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 17, 2013, 05:34:56 pm »
I think an important difference in between a short GCT (like a low box depth jump over a hurdle) vs. a maximal jump depth jump (like a low box depth jump with an overhead target) is the fact that the mechanics are utterly different from a point on.
The landing mechanics are the same so you might think that eccentrically you're loading the muscles and tendons in the same way in both of these scenarios.
But starting with the amortization phase there will be differences, and the MOST differences will be at the point of full body extension.
In the obstacle depth jump you will get your knees towards your chest in order to pass the hurdle in front of you so the actual hip extension might not fully occur. You might short-cut it in order to have enough time to hip flex your knees towards your chest.
In the overhead target depth jump you can truly focus on maximal triple extension.
Also, since one has a length parameter involved (jumping forward over an obstacle) and the other is 100% vertical (in a perfect world), then even the landings will differ and the body's position at landing will as well...
So it's more than just a philosophical difference that needs to be resolved.
The landing mechanics are the same so you might think that eccentrically you're loading the muscles and tendons in the same way in both of these scenarios.
But starting with the amortization phase there will be differences, and the MOST differences will be at the point of full body extension.
In the obstacle depth jump you will get your knees towards your chest in order to pass the hurdle in front of you so the actual hip extension might not fully occur. You might short-cut it in order to have enough time to hip flex your knees towards your chest.
In the overhead target depth jump you can truly focus on maximal triple extension.
Also, since one has a length parameter involved (jumping forward over an obstacle) and the other is 100% vertical (in a perfect world), then even the landings will differ and the body's position at landing will as well...
So it's more than just a philosophical difference that needs to be resolved.
2163
Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 17, 2013, 04:09:21 pm »
Yeah I do that - I move my center of gravity in front of me and land with my feet forward:
<a href="http://www.youtube.com/watch?v=KCuNTVXNI48" target="_blank">http://www.youtube.com/watch?v=KCuNTVXNI48</a>
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Progress Journals & Experimental Routines / Re: a fast and explosive donkey!
« on: November 17, 2013, 11:08:16 am »
Funny experience?
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Progress Journals & Experimental Routines / Re: Age vs Vertical
« on: November 17, 2013, 07:05:35 am »
What?
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Article & Video Discussion / Re: Eccentric Strength Training on Increasing Strength, RFD, and Power
« on: November 17, 2013, 07:05:06 am »
You do it in the squat rack. The safety pins stop the bar.
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Bodybuilding / Re: Scary motherfawkers
« on: November 17, 2013, 07:04:20 am »
He's so strong he can't even keep the bar in his hands in a pronated grip!
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Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 16, 2013, 09:54:36 pm »
You must define the type of jump first though... and this should be a whole other thread.
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Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 16, 2013, 09:18:53 pm »
It doesn't need to be more complicated than movement efficiency + horsepower + structure as far as vertical jump goes.
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Progress Journals & Experimental Routines / Re: Chris' training journal
« on: November 16, 2013, 08:49:38 pm »
They look so quad dominant... I mean the depth jump IS quad dominant but they look SO quad dominant 
Have you tried to do them looking forward instead of down?
Have you tried to do them looking forward instead of down?
2171
Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 16, 2013, 07:43:49 pm »Yea I can believe that, could you bring up that evidence then?
One error I saw in the document I posted is the experiment they did with loaded depth jumps. They concluded that since athletes did not jump as high with a loaded depth jump it wasn't an effective exercise. Well we know that he ground reaction force will equal the mass of the athlete times gravity. The grf produced from a 3.5 drop landing can be matched with a loaded landing from a lesser drop in an infinite number of ways.
However on the concentric portion the question arises how the muscle-tendon unit differs in restitution the energy absorbed. Compare even further to a squat, I haven't seen research (haven't really looked though) examining how the energy restitution in the tendons differs from shock plyos, weighted plyos, and lifting
http://www.higher-faster-sports.com/plyomyths.html
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Progress Journals & Experimental Routines / Re: Chris' training journal
« on: November 16, 2013, 05:29:29 pm »
Why do you smile after your first rep?
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Progress Journals & Experimental Routines / Re: Age vs Vertical
« on: November 16, 2013, 05:25:04 pm »
How come you tell me not to do high bar yet you do it?
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Progress Journals & Experimental Routines / Re: acole14's journal - DUNK OR DIE
« on: November 16, 2013, 11:16:45 am »
Back in the day it was believed that depth jumps do indeed do the stuff you're talking about. But recent research on the REAL plyometric ability and what that means refutes these claims.
There's nothing magical about depth jumps and the height of the jump. They're just a variation of a jump squat, except the fact that you're loaded on the excentric portion and unloaded on the concentric portion of the jump.
I can bring up these reasons as they're stated in VJB 2.0 if you want.
There's nothing magical about depth jumps and the height of the jump. They're just a variation of a jump squat, except the fact that you're loaded on the excentric portion and unloaded on the concentric portion of the jump.
I can bring up these reasons as they're stated in VJB 2.0 if you want.
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Pics, Videos, & Links / Re: beast
« on: November 16, 2013, 07:40:07 am »
That's only because it's a low bar squat!