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Old 03-04-2008, 08:11 AM   #1 (permalink)
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Where does the energy come from?

So, this may be a potentially simple question. I understand that to get the most power out of, for example, a rear cross, one must turn the rear foot, turn at the hips and lastly at the shoulders. This, if done correctly and fluidly, will result in a stronger punch, than if you had to just punch from the shoulders.

But, where does this energy come from exactly? I've read in other places that it comes from the ground? I can believe this and understand what is meant, but how does a turn of one's foot bring the energy from the ground into the body? I just can't grasp the idea, of energy just getting sucked from the earth into somebody's foot and onwards.

Anybody care to explain?
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Old 03-04-2008, 11:32 AM   #2 (permalink)
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Mmm....... High school physics......


Kinetic Linking..
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Old 03-04-2008, 12:58 PM   #3 (permalink)
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I think now would be a good time to say I never had little to no physics at secondary school.
But I understand what you mean. My question is, where does this energy originate from? It can't just come out of nowhere. Sounds like a dumb question, but I don't see any obvious explanation.
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Old 03-04-2008, 03:33 PM   #4 (permalink)
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Yo man your really complicating this concept. Energy doesnt come from the ground, theres no 'chi' flowing through your leg and out your arm.
What is meant by, 'energy comes from the ground' is just that if the ground wasnt there, your leg would just kick out into the air... and you wouldn't be propelled forward into a potential target.
The only energy used is the potential energy in your muscles. Remember too, the philosophies and belief in supernatural or spiritual energies (like those believed to be harnessed as Kai or Chi in Chi-Gung, Tai-Chi, etc.) all originated in a time when people knew veeeery little about physics and our own biology
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Old 03-04-2008, 03:34 PM   #5 (permalink)
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Think relative acceleration.

You're standing on a treadmill that's moving you forward at 5 mph relative to the ground. Then you begin to run at 10 mph relative to the treadmill, so you're moving forward at 15 mph relative to the ground. It's the same with your strikes. You push forward off of your rear foot as you turn your hips as you rotate your shoulders as you push out your hand. The motion starts at the ground and moves up your body, compounding the force as it goes.
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Old 03-04-2008, 03:40 PM   #6 (permalink)
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Quote:
Originally Posted by Dempsey Roll View Post
Think relative acceleration.

You're standing on a treadmill that's moving you forward at 5 mph relative to the ground. Then you begin to run at 10 mph relative to the treadmill, so you're moving forward at 15 mph relative to the ground. It's the same with your strikes. You push forward off of your rear foot as you turn your hips as you rotate your shoulders as you push out your hand. The motion starts at the ground and moves up your body, compounding the force as it goes.
lol, yo man ur gonna confuse people more, theres no energy transfer... you just use the ground to push off of

ps. if you want to be technical, its not 5mph relative to the ground because the ground is not a speed, its an object (the earth). it would be 5 mph relative to the speed of the earths rotation

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Old 03-04-2008, 05:14 PM   #7 (permalink)
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it comes from the midi-chlorians flowing through all life.
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Old 03-18-2008, 03:18 PM   #8 (permalink)
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you pretty much use your body to push your arm faster when you twist it the energy releases from your hand its not from the ground its just using your whole body to punch
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Old 03-18-2008, 04:52 PM   #9 (permalink)
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The energy is just the kinetic energy (momentum)in your hand/body when the punch lands.

The forward momentum of your body combined with the power of your arm extention + hip twist + leg extention all put together in one movement. The energy comes from your muscles.
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