Speed Vs Power

PhotonGuy

Senior Master
My primary art is Karate and therefore Im posting this in the Karate folder but this same concept can be applied to any striking art. So anyway, I've heard talk about people who have tremendous speed but not much power which I find a bit confusing. If you've got speed you're going to have power. Why? Because speed is power. The more speed you've got the more power you've got.

It works like this, the faster your hand or foot goes the harder it will hit, that's quite obvious. Just like how in Baseball a fastball pitch is going to hit the catcher's glove harder than a curve ball. Why? Because the fastball is faster than the curveball, therefore it hits harder when it lands in the catcher's glove. By the same concept the faster your punch or kick goes the harder it will hit when it hits your opponent, so speed is power.
 
The speed is to accelerate mass, which generates momentum.... Someone can totally be very fast but not generate much momentum due to not getting much mass in motion. Like only having the arm in motion without body mass behind it. Then there's structure...your own body dissapating/absorbing your own momentum.....efficient delivery of the momentum..... More to it than just speed. We can't move at the speed of a bullet. As humans when we're talking about speed we need mass as well. And be able to efficiently deliver that into our target.
 
When we talk about hitting with power we're not really talking about how much force we generate, it comes down to how much force we actually transmit into our target. Even the amount of time the fist is in contact with the target affects this part of it.
 
have tremendous speed but not much power which I find a bit confusing.
Power = compress and release

It takes time to have a full compressing with the whole-body unification. When you compress halfway and release for speed, you will only generate 50% power.

If you watch these 2 "power generation" videos, a punch take about 1 second to complete. In combat, 1 second can be too long.




If you watch these 2 "speed generation" videos, a punch take less than 1/4 second. But those punches may not have enough knock down power because a punch is not fully compressed.


 
My primary art is Karate and therefore Im posting this in the Karate folder but this same concept can be applied to any striking art. So anyway, I've heard talk about people who have tremendous speed but not much power which I find a bit confusing. If you've got speed you're going to have power. Why? Because speed is power. The more speed you've got the more power you've got.

It works like this, the faster your hand or foot goes the harder it will hit, that's quite obvious. Just like how in Baseball a fastball pitch is going to hit the catcher's glove harder than a curve ball. Why? Because the fastball is faster than the curveball, therefore it hits harder when it lands in the catcher's glove. By the same concept the faster your punch or kick goes the harder it will hit when it hits your opponent, so speed is power.

You need power (F) for speed, and the more mass (m) you're trying to accelerate (a) in the strike, the more force one needs to be "speedy".

F = m * a

If you want your "F" to be a high number, you need to be transfering your "m" with as much "a" as possible.

But not everyone has the same mass. The solution in competition? Weight divisions.
 

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