The Biggest Physical Contributor To A Punch
We focus a large part of our attention on body composition because its a fundamental component of high-performance and we know that particular areas of body composition are key contributors to effective punches.Its also important so we can accurately assess a boxers condition when making weight, and identify what weight category a boxer should perform at. The composition analyser we use provides a segmental analysis of how muscle mass is distributed around the body the arms, lower-body and trunk. In our statistical analyses, weve found that absolute and relative trunk muscle mass explains a large amount of the variation in medicine ball throw distance from a backhand stance. That means those athletes with the largest relative trunk mass were able to throw the ball further in a punch specific test.
This means that developing core mass and strength is a key aim of our programme. When making weight, we aim to maintain muscle mass of the core to ensure our athletes are in the optimal condition when they step on to the scales.
We can develop this through compound lifts, partial range exercises and core-specific exercises. We share this in our core training system.
Between The Ropes: Physics Of Boxing
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Thirty-four-year-old Kevin Kelley used to be featherweight champion of the world. But four years ago, his career fell apart. Now, as he prepares for his comeback fight, he will discover that between the ropes, the laws of physics control his every move. Boxing is not just a macho display of muscle and aggression. In the ring, theres a scientific logic behind every jab, uppercut, and collision.
John Farley is a physicist at the University of Nevada Las Vegas and a boxing aficionado. Collisions is an important topic in physics. The collision of one boxers fist, against the other boxers face or body is the essence of boxing.
To be a winner, a boxer must exploit the laws of physics. The three critical tools are force, speed and balance. Eddie Mustafa Mohamed is a former light heavyweight world champion and star of raging bull. He is now a trainer of champions. If you have no good balance, its just a waste of time and effort basically.
Balance is the stability produced by even distribution of weight on either side of a bodys center axis. For most of his career, balance came naturally to Kevin Kelley. When he started getting knocked down, he didnt understand why. Now, before he faces Raul Franco, a slugger with 18 knockouts to his credit, he will need to solve the mystery of his balance problems.
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Equation For The Impact Force Of A Punch
While the impact force depends directly on the kinetic energy, it also depends on another variable the time in which the force is released. The release time in itself depends on the distance in which we are able to release the energy during a punch. Here are the two equations describing the relationship between impact force and the mass, velocity on impact, and time or distance of impact:
Impact Force = /
which is equivalent to the formula:
Impact Force = / impact duration
Since this is all measured in a three-dimensional vector space the above equation means that there are four variables we can influence in order to deliver a harder punch:
- mass behind the punch
- velocity of the fist on impact
- speed of energy release
- punch alignment
The alignment is important since the equation assumes the force is exerted along a vector perpendicular to the punching surface. If the punch is misaligned, its impact will be reduced depending on the discrepancy from a right angle. Below we will assume good alignment and focus on the first three factors in more detail.
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Reaction Speed In Table Tennis
From a biological perspective, there are limits to how fast the body can react to a stimulus. There is a difference in this time between an audio stimulus and visual stimulus. Technically we respond faster to an audio stimulus than a visual stimulus, 0.14 of a second compared with 0.18 of a second respectively. Therefore, if you can work out EVERYTHING about the shot you need to just by hearing it strike the racket, you’re 0.04 or four one-hundredths of a second faster than anyone else who has ever played table tennis before.
Good players can still deduce a lot of what the opposition is doing, simply by listening to the noise the ball makes when it contacts the bat. For instance a brushing noise of the ball on the bat tells you that spin has been put on the ball, hitting a loop will give this effect. A sharper ‘pock’ will tell you that the ball has been struck quite solidly, and will also tell you that they’re using a thin rubber. It is, of course, legal to ask to view the opposition’s bat, so listening to the noise to tell what thickness rubber is being used is just something that can be done.
Some people say that when the ball strikes the table they can tell whether the ball is top spun or under spun. Personally, I can’t, but it wouldn’t surprise me that elite players can.
Physics And Sports Are Inter
Physics in sports: Understanding the physics of motion can impact all areas of sports, from helping athletes to move faster, further and higher, injury prevention, programme planning and peaking at the right time. – AP
Some of the common terminology we use day today in sport have become a part of the coaching jargon. We will look at some of the examples, their real meaning and how they are being applied in different sports.
A good performance in sports is based on correct control and coordination of movements. Using physics as one of the medium to understand the subject better we will discuss the physics terms used in various sports. For example, knowing the bat speed with which to strike a ball isnt very useful to a batter, but what is useful is knowing the swing angle to stabilise your wrists so that the bat hits the ball with the greatest speed possible.
Understanding the physics of motion can impact all areas of sports, from helping athletes to move faster, further and higher, injury prevention, programme planning and peaking at the right time.
Physics and sports are inter-connected. Every sports discipline depends on the ability of an athlete in force application, and force is one of the key elements of Newtons Laws and other fundamental physics concepts.
Speed: is the time rate at which an object is moving along a path. Ex: sprinting or chasing a ball or target is a scalar quantity.
Levers in the body
Newtons laws
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Math And Martial Arts
I might as well admit it. I’m not good at math. I guess I’m more into poetry, writing, theater, and dance. So, it is odd to me that I might write anything, online or even a scrap of paper, that has anything at all to do with math.
However, over many years studying martial arts, I have encountered certain recurring themes some of them are rooted in mathematical and physical principles. Here, I would like to explore the principles of mathematics and physics that are found in martial arts, and how they might be instructive for training.
A right triangle
Spotting The Different Punch Types
When seeing boxers hitting heavy bag or mitts, there are certain things to keep an eye on and sounds to keep your ears perked at.
A sharp punch is like whip, a cracking type of sound, A heavy punch is like a loud thud.
Different punch techniques naturally have different effects. Straight techniques like the cross punch are based more on bodyweight transfer than the hook, for example, which is more of a rotational technique rooted on peak velocity at the moment of impact. The uppercut has its own special niche due to gravity, whereas hooks and straight punches can cause the target to be knocked back or to the side lessening the impact the head takes. With uppercuts to the chin, the whole momentum of the attack are absorbed due to gravity pulling you down while the punch arches upward, being sandwiched between two opposing forces.
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What Is A Simple Machine
A mechanical device that changes the direction or magnitude of a force is known as a simple machine. In general terms, they are defined as simple mechanisms that make use of leverage or mechanical advantage to multiply force. Simple machines have few or no moving parts to modify motion and force. Let us learn more about the six simple machines, in the next few sections.
How Is Physics Applied To Boxing
Physics occurs in punching because of energy. Person uses energy in order for a punch to be carried out. That is why, as well as energy we need momentum, work, power, and velocity. Before a boxer punches, he has potential energy which is stored energy. Once, the boxer begins to punch potential energy turns into kinetic energy.
Boxing is more than the brutal beating up of one another it is a sport that applies many physics laws. If a fighter uses physics correctly, he will likely get the victory but if he does not, he will probably lose.
As soon as a boxer starts to move his or her shoulders and arms and eventually the fists, his/her potential energy is being converted into kinetic energy.
Kinetic energy is calculated by using the formula: Kinetic Energy = mv^2
The fist has its maximum velocity when it hits something. The collision then causes the fist to slow down, eventually the fighter begins applying a force to retract his / her arm.
This speed is calculated using: Velocity = Distance / Time
What is Velocity?The speed of something in a given direction.
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Faster Energy Release For Maximum Punching Power
Something which I dont think has been explored before is the possibility to increase punching power by decreasing the impact distance or, equivalently, by decreasing the duration of the impact. What this means is that if the same amount of force in terms of velocity and mass is released in a shorter duration / distance, it will result in a much stronger punch.
Here is a graphical examination of the relationship of punch force and impact distance:
and punch force and impact duration:
How does one go on to achieve this compression of the punch in a smaller time frame / smaller distance? In practice this means that ones effective mass behind the punch should decelerate from a significant velocity to zero while also conducting all of it into the opponent. It seems that in order to achieve that, one needs to tighten their muscles exactly at the point of contact in order for the impact to transfer as much energy forward in a tiny amount of time.
The above might be hinted at in the above-mentioned papers by Blum and Pain and Challis where they speak of decreasing energy loss by tightening of the muscles at the time of impact. The specific technique of executing this muscle contraction is unclear, but it seems like contracting as many muscle groups as possible at the same time would result in a punch with maximum power.
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The Physics Of Martial Arts
Again, I’m certainly not a physicist, just like I’m not a mathematician. But understanding martial arts in terms of certain principles in physics can be instructive.
Physics makes use of mathematical formulas. One of the most relevant formulas of physics, in relation to martial arts, is the equation for momentum or kinetic energy we can call it by different names, but in terms of martial arts, we are talking about power power generated by your kicks, punches and strikes. The formula for kinetic energy is mass times velocity. Velocity is measured by distance and time: In other words, how much time it takes for something to go a certain distance. This is speed.
It is common in training to make sure as much of your body as possible and practical works in harmony with your strikes, punches, and kicks. Therefore, for instance, to add efficient power to a punch your whole body must move in line with your weapon. Also there are other factors that add power to a strike, such as gravity. Either way, your mass is moving harmoniously with the strike. As you might have guessed, speed adds to the power of the strike as well.
Torque In Table Tennis
T = rFTorque is a Force that occurs when it is applied at an angle around a fixed point. This is usually a circle. There are several places that I’ve seen Torque used in Table Tennis. Some common places are:
Technically hitting the ball harder also increases the Torque, as this increase in velocity results in a direct increase in the acceleration of the ball. As F = ma, an increase in a leads to a direct increase in F, which in turn leads to a direct increase in Torque.
i.e.T = rF
Energy is described in two forms . These are Potential Energy and Kinetic Energy.
The formulae used are:
Kinetic Energy: E = ½mv2
where
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What Are Compound Machines
A compound machine is a device that combines two or more simple machines. A wheelbarrow is an example of a compound machine. In a wheelbarrow, the functionality of a wheel and axle is combined with that of a lever. Many compound machines can be formed using six basic simple machines. Some examples of compound machines are a can opener, shovel, and a jack.
Training For The Known And Unknown
IS: In the book you talk about a different approach in training and competition, to try to not injure your training partners. Does training differently than you compete put people at a disadvantage in competition?
JT: There was a concept that was introduced, I think it was in Rory Miller’s book, “Meditations on Violence.” He said, if you’re going to be practicing martial arts, no matter what there is a flaw in your training. And the reason for that is that if there was not a flaw in your training, you would be killing and seriously injuring people that you train with. There has to be an intentional flaw there. That’s actually where I get into where you should like a physicist would approach problems. You’re not training for the specific scenario that you’re looking at right now, you’re training to tackle the unknown later on.
IS: It seems like the whole book is built around what’s the evidence we can find and what’s the theoretical basis we can find behind the martial arts. How many of the people in the martial arts world are tied up in concepts that cannot be proven, such as the concept of the metaphysical force known as “Qi”?
IS: Is there anything else that you’d like to elaborate on?
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Physics: Structured Common Sense
Any physics I applied to boxing was merely common sense. Today, I like to say that physics is structured common sense. As an example, everybody knows that if youre in a fast-moving, out-of-control truck that can be stopped only by hitting a haystack or hitting a brick wall, the haystack is the obvious choice. How much more interesting to know why that common-sense choice is correct.
Additionally, it is engrossing to know the why of the many happenings in our everyday lives! Lets take a closer look at the out-of-control truck in terms of impulse and momentum, and then apply that to boxing.
Linear momentum, which I refer to as inertia of motion, is defined as mass multiplied by velocity, mv. The speeding truck possesses both mass and velocity. To change its momentum requires what we call an impulseFt, force multiplied by the time of contact of that force. In shorthand notation, Ft = mv.