Why is it that a black belt can break straight through 20 bricks at one time and not injure himself? I am going to use my background in personal training and martial arts to interpret board breaking. Why is it that another man just as strong can break his hand trying to break a board? To fully understand the write back to these two questions, it is great to understand human movement.
Much like checks and balances exist in human organizations, there is a delicate balance within the body known as the kinetic chain. The kinetic chain is composed of the nervous system, muscular system, and skeletal system. These systems must work together as an integrated unit to achieve any type of human movement. Going back to the black belt board breaking example, the black belt has probably trained for years perfecting this technique. What does this mean? The more an operation is repeated, the more sufficient the brain becomes in communicating with the muscular system. Conscious concept is no longer required, which leads to a more sufficient movement. In addition, power has a huge neuromuscular component to it as well. The brain can tell the muscles to fire quicker, producing higher speeds, which generates more power. Keen onto the muscular system, there are numerous sub-systems within this system, but I will try to make it easy to understand.
Power Adapters
The dissimilarity between the black belt and the "regular" guy are the muscular adaptations that have occurred. Since the black belt has gone straight through a right training regimen to get his black belt, his muscles have adapted to these types of movements. With muscular adaptation comes greater motor unit recruitment, an increase in muscle size from training, and greater muscle fiber recruitment important to more force being applied to the bricks. Finally, just like the adaptations that have occurred with the nervous and muscular systems, the skeletal system adapts as well. Bones will adapt and grow in line with resistance forces. More than likely, the black belt didn't start off with bricks. As a white belt, he probably started practicing his punches in the air, then to pads, heavy bags, boards, and finally bricks.
My point is that the black belt without fail has the advantage when compared to a regular guy off the streets when it comes to executing a technique. I hope you come back for the next post where I will interpret developed martial arts training methods such as inhibiting the neuromuscular system while executing a technique. This is pretty cool stuff.
Breaking Down - Breaking a BoardRelated : enclosure rack Server rack 19 inch power rack mount
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