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Cyrus Osena

Occam's Razor and Krav Maga: Simplicity in Self Defense

I've been hearing a lot about Occam's Razor from a number of different sources recently and it compelled me to revisit this principle. I remember learning about Occam's work in my Philosophy of Law class during my university freshman year and while studying his volume of work was torturous back then, I found cherry-picking only the razor a lot more refreshing, specially in light of what I do and teach.


William of Occam was an English friar, philosopher and theologian born in 1287 in the small village of Ockham in Surrey, England. While he is popularly known for Occam's Razor, a methodological principle that bears his name, he has held influential views not only in metaphysics but also in all other major areas of medieval philosophy—logic, natural philosophy, theory of knowledge, ethics, and political philosophy—as well as in theology.


Occam’s Razor is a problem-solving principle that recommends searching for the simplest solution, constructed with the smallest possible set of elements. The term "razor" refers to the "shaving away" of unnecessary steps and assumptions when distinguishing between two competing hypotheses. It’s a philosophy that works well in a multitude of scenarios particularly in the scientific realm. But does it translate when applied to self-defense?


Humans, in general, love to complicate matters. It's a simple fact. We find complex ideas more interesting and exciting, and we often embrace this at the expense of the simple, straightforward explanations that might be right under our noses. The world of commerce and economics thrives on this reality. We tend to equate the value of something in terms of the intricacies added to it—the bells and whistles—as opposed to it's ultimate utility.


I find this mind-boggling... pardon the pun.


There’s a well-known story about a truck that got stuck trying to drive under a bridge. Engineers gathered, each proposing elaborate ways to free the truck—cutting the bridge, dismantling parts of the truck, or even lifting the bridge itself. Then a child walked by and suggested: “Why not just let the air out of the tires?” This simple approach highlights a key principle that applies not just to problem-solving but to self-defense as well—simplicity often wins.


In this post, we'll geek out and show why Krav Maga, known for its no-nonsense approach, embodies this principle, by offering straightforward, effective solutions to real-world problems.


The Stress Response


In self defense, as with life in general, the simplest solution is usually the most effective because of one key factor—stress.


Most people have a limited understanding of how their bodies react under extreme stress. When faced with danger, the brain triggers a flood of stress hormones like adrenaline and cortisol. While this might give you extra strength or endurance in the moment, it also wreaks havoc on your ability to execute complex movements or make complicated decisions. Fine motor skills—like delicate hand movements or precise footwork—are the first to go. What remains are your gross motor skills—basic, instinctive movements like running, pushing, or throwing a punch.


The challenge, then, becomes developing a system of self-defense that takes this into account, something that works when you're not calm or collected. A system that recognizes you're more likely to be reactive and clumsy rather than sharp and coordinated.


Krav Maga, by design, is built on principles of efficiency and practicality. It’s not flashy; it’s not intricate. There’s no time for elaborate movements or multi-step sequences when someone is trying to harm you. That’s why every movement in Krav Maga has a purpose, whether it’s to defend, attack, or create an opportunity to escape. This is where Occam’s Razor truly applies. The simplest move that effectively addresses the threat is the right move.


The Danger of Overcomplicating Self-Defense


There are countless forms of martial arts out there that seem to thrive on being flashy and elaborate. More art than martial, they focus on techniques that look impressive—spin kicks, complex grappling sequences, and multi-step takedowns. But what happens when the situation is chaotic? When you’re not in a controlled environment, and the stakes are real?


While these techniques may work, the real question is whether they’ll hold up when used by a cross-section of the population (not just the uber-athletic) with basic training, while faced with a pressing threat. When the fight-or-flight response kicks in, you don’t have time to think through a complex series of movements. You need something that you can execute without hesitation, without overthinking.


Imagine this: you’re walking home, and someone grabs you from behind. You don’t have time to calculate angles or remember which foot goes where. All you have is the simplest, most instinctive response—breaking free and fighting back. That’s why Krav Maga works. We strip away the unnecessary.


In self-defense, your goal is survival, not the perfect execution of a technique. If a move takes too long to figure out, or if you find yourself wondering, “Does my right hand go here, or does this go over that?” then it’s probably not going to work in a high-stress situation.


Training for Simplicity and Success


In order to succeed in self-defense, simplicity has to be ingrained in your training. At Spartan Krav Maga, we emphasize repetition of basic techniques until they become second nature. Whether it’s striking, movement, or the mere act of getting up from the ground, the goal is to develop muscle memory. Under stress, you won’t have the luxury of thinking through your options; you need your body to act instinctively.


This is exactly why Krav Maga doesn’t rely on precision moves or on techniques that take years to master. Instead, it’s about drilling simple movements that work when your body is flooded with adrenaline. We want practitioners to be able to rely on their training in the heat of the moment—when fine motor skills go out the window and your ability to think clearly is compromised. In short, you need techniques that don’t require thought, only action.


Krav Maga and Occam’s Razor: A Perfect Match


Krav Maga is a system that seeks the simplest and most effective solutions to real-world problems. The techniques are built around natural human reactions, using instinctive movements that don’t require complex decision-making. This mirrors the logic behind Occam’s Razor—shave away all that is unnecessary and keep what is essential to accomplishing the task. After all, why complicate a solution when a simpler one will do the job?


For example, take something as basic as defending against a choke. In Krav Maga, the response is simple: pluck the attacker’s hands from your throat while simultaneously counter-attacking with a knee strike. That’s it. You’re not worrying about the attacker’s size, angle, or hand placement. You’re focused on freeing your airway and creating an opportunity to fight back or escape.


In contrast, some martial arts might teach a more intricate sequence. But in a real fight, those extra steps can be the difference between survival and failure. Krav Maga’s answer to self-defense is straightforward and designed to work under stress, following Occam’s Razor by trimming down to the bare essentials.


Keep It Simple for Survival


Occam's Razor teaches us that the simplest solution is often the best, and nowhere is this more true than in self-defense. Krav Maga embodies this principle by focusing on techniques that are easy to learn, instinctive to execute, and brutally effective under stress.


Ultimately, simplicity gives you the advantage when you're overwhelmed by adrenaline and panic. The less you have to think, the quicker and more decisively you can act. In a fight for survival, that split-second decision could be the difference between walking away or becoming a victim.


From the Krav Maga point of view, Occam’s Razor is not just a philosophy; it’s a survival tool. And in self defense, simplicity is the sharpest weapon you can wield.



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