Japanese Karate Sensei Reacts To Aikido!

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I have reacted to the Japanese martial art of Aikido in this video! Their body movement is flawless and very efficient. I think learning it would benefit all karatekas.

When I go visit an Aikido dojo in the future, I would want to hear a throwing technique that wouldn’t take longer than 2 seconds of grabbing. If I can do that, oh man kumite will become extremely intense!

00:00 Introduction
00:12 Aikido Demonstration
04:27 Analysis of Aikido


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Name: Yusuke Nagano
Birthplace: Kawasaki, Japan
Belt Grade: 2 Dan
As a Competitor: 2 Years @ Local Dojo in USA, 7 Years @ Keio Mita Karate Club
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Style of Coaching: The Fusion of Simple Concept and Logical Breakdown


What I covered in this video:
karate, Shotokan, karate Shotokan, Shotokan karate, karate sensei, karate tutorial, karate how to, karate dojo waku, Yusuke nagano, sensei seth, karate nerd, Jesse karate, Jesse enkamp, karate vs aikido, aikido vs karate, aikido reaction, Shotokan karate vs aikido, aikido demonstration, aikido techniques, aikido react, aikido, karate aikido, aikido karate, Shotokan vs aikido, karate kid, react to aikido, aikido analysis, aikido analyze, fight against aikido

*Original Video:



  1. It works well when there is no resistance from an opponent as shown in those demonstrations. If there is resistance, those fancy techniques are very difficult to execute and easy to counter (there is always a counter). Joint locks are useful but you need to catch the opponent off balance for them to be effective. An experienced fighter will not get caught off balance easily. A combination of striking techiques followed by a joint lock and a throw (nage) is the better approach.

  2. Really appreciate your video and it’s evaluation of Aikido. The biggest issue about Aikido is the fact that the internet displays mostly videos of Aikido with unrealistic attacks. Most of these videos are not put on the internet to be viewed as realistic but instead are demonstrations of Aikido techniques.
    I have encountered several long time practitioners of Aikido with various backgrounds in combat. For example, Marines, Swat, BJJ, Boxing, Wrestling, special ops, FBI, teachers (lol), and other branches of the military! Most of these individuals love Aikido and they understand the difference between training on the mat and the reality of attacks.

    If for example you studied Aikido for many years and you face a man who is strong, maybe big, possibly skilled and apparently dangerous, then you would meet that person with the same level of violence and you might attack first if it meant your life!
    The reality in life is that you are most likely never going to have to face a professional MMA fighter on the street! Your chances are the same as winning the lottery! Now facing the average joe or even someone kind of scary but not any real skills is very likely but rarely! So for example if this particular guy attacks you and is fast with punches and or is really imposing the will of his might against you, you CAN hit him and still use Aikido when there is an opportunity to do so. (Yes it’s true, Aikido people are not forbidden to be the aggressor or strike!)

    Aikido is a very long, in depth, and complex martial art, but it’s biggest flaws are the practice of attacks and not the actual art itself! That, I believe is why it’s reputation is so bad!

    Side note; I witnessed a Karate master demonstrate Karate so fluid like, it was a lot like the circular principles of Aikido in small almost unnoticeable applications. The Karate still looked like Karate, but you could tell he had been doing it so long that he didn’t have to do much effort to make it work and the attacks were very strong and fast!

  3. We don’t do sparring in Aikido and that’s why the art is very hard to understand as a first martial art. The same concept and importance of power generated from the Centre is universal, aikido utilizes it differently. It’s like the game stealing the “opponent’s flag” ; we maintain our balance through footwork while entering to steal the uke’s balance/Centre adding our Centre to theirs and executing the technique/throw. That’s why the concept of flowing water is fundamental. It’s really not the easiest thing to learn and many of us are far from understanding and living it.

  4. I'd recommend against attempting to kick a skilled aikidoka.

    To an aikidoka. the ground is where your power comes from. So giving up your connection to the ground for a kick is often what an aikidoka wants from you, the attacker

    In my school, only very skilled aikidoka could train techniques vs kicks, because to train said techniques you have to also receive it and it very difficult to perform ukemi vs a throw performed against a kick.

    In a nutshell, Aikido techniques vs kicks come out faster and drop the kicker to the ground harder. This is all because the kicker sacrifices more of their balance to even attempt the kick.

    The main three skills you go for in aikido are speed, balance and timing.

    So if you want to counter an aikidoka you must be faster, more balanced and have better timing.

    What you do not need is more power. To get more power you need to sacrifice one of those three things and sacrificing any of them, often gives the advantage to the aikidoka.

    If you really want to clobber an aikidoka, use feints to mess with their timing and use strikes to their legs to weaken their posture. Try to sacrifice as little of your stability as possible when you chose to act and expect to have to counter their inevitable counter.

  5. In aikido, the ground is your foe, so you train against the ground and if a person challenges you you show them the ground. Or, if they're more aiki than you, they show you the ground.

  6. In Aikido you must welcome their energy but resist it ever so slightly, like water or mud. When Aikido techniques receive attacks, it often resembles shooting a bullet into water. You'll see how the attack's energy gets absorbed by the Akidoka, just liek a bullet shot into water slows down and stops. Only in Aikido the energy is often, then, transmitted back into the attacker. In traditional Aikido this energy is transmitted into the attacker and often towards the ground. This usually ends in a shoulder pin. The idea is to direct all incoming energy to the ground.

    One strange thing about aikido, is that you spend so much time falling that you start to understand what temporary weightlessness is like. Just like any other free-fall, such as in skydiving or when an object is orbiting around the earth, in aikido you experience temporary weightlessness often. I found this understanding for gravity and free-fall inspired my understanding of physics and general relativity. I was amaze how practical of a demonstration aikido really is of relativistic principals.

    One thing I vividly remember was how fighting a person felt like two planets falling into each other. As though our will to fight was a gravity all it's own. What was incredible was how you would see dynamic behavior, like you might see in high energy physics, play out between two spirited aikidoka.

    To me this was Aikido, fighting with the power of attraction.

  7. As far as I know, Aikido was created for a more non–combative Do / Art. The circle became larger and centrifugal where before was Intrapedal. Wally Jay went the other direction to small circle jujitsu though still bringing uke inward. If you break a Sake bottle into pieces, pickup the spout its still came from the whole bottle.

  8. too me it feels n looks like a baby version of ju jitsu but going with the flow….. but come on blend it with other forms, im no sensai but done 4 forms of martial arts but now five in 4 days, they teach weapons to dont forget!!!!!!!!!!!! most forms dont use weapons!!!!!!!!!! that is what peed me off eg i started a version of karate, stopped after 4months. not even ju jitsu used weapons either tkd nor most actually.

  9. remember me ozy fella i do tkd, but am trying and will most probably continue aikido for the flow as i was a breakdancer yrs ago. look it aint tuff but if u combine it with all other styles it will b good. people say oh they know how to roll but imagine doing it to someone who didnt know??? and blend tkd, ju jitsu and muay thai would be amazing. people diss aikido way too much. give it some respect come on!!!!! thats like saying itf vs wtf tkd……

  10. I have trained both Aikido (Iwama-ryu) and Karate (Kyokushin).

    Started with Aikido to later practice Karate.

    During a Bunkai of Kake uke, I realized that this was something very similar to what I learned in Aikido.

  11. Hello Sensei: Let me start By saying that I always like all your videos. I was a Shotokan stylist quite a few year ago. I now do Okinawan Karate. I have come to appreciate the difference and similarities between both, but I love what I do now. My comment is related to the way sometimes you generalize in karate. Example this nice video that you have done about Aikido. In this video you claim about certain moves that we do not have that in karate. I must respectfully disagree with that conclusion. Okinawan karate different from most Japanese karate have a lot of grappling included in their arsenal. Even doe when they are not exactly Aikido flow movement there is a great similarity between both. I believe other Okinawan stylist will probably disagree with you as well. My humble suggestion is that a better statement is that what you have experience does not relate to what they do. I know Shotokan got away from all this other aspect of Karate a long time ago. Probably because they wanted to be a little different from the Okinawan way and that is understandable.

    I mean no disrespect just my humble opinion from 50 years of martial arts experience.

  12. I did aikido. It has a nice philosophy, but in terms of usefulness it’s not the best. Aikido is to protect yourself AND your opponent. But if your opponent fights dirty, you don’t have a chance. It’s very similar to jiujitsu.

  13. Yes Mister Yusuke. Aikido does have plenty of techniques against kicks, all kind of kicks, and yes, following the principles of round movements and using uke energy against hi or her, circular movements and other movements too. This techniques are for advanced degrees, once you "master" certain movements of your body.


  15. Even though Aikido is an amazing martial art by its own, to be honest I was impressed only by this guy, Igor Petrovic. With this guy I've even seen some punching like ura-ken, ura-tsuky, mawashi-tsuky and so on. I don't know how far away from the original/genuine art of Aikido he is but it's definitely a lot more practical/real-life stuff. Here are some links: https://www.youtube.com/watch?v=blcyrqhlcR4 , https://www.youtube.com/watch?v=X9Fke18oQPs – maybe you will find them entertaining, as a Shotokan practitioner I was quite impressed.

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