Inasu: The Sumo Technique of Deflecting Power for a Comeback

Introduction
               

Supervisor・Tsuyoshi Mizuguchi

Former sumo wrestler Shoho Tsuyoshi (real name: Tsuyoshi Mizuguchi). He belonged to the Kasugayama stable, made his debut in 2004, and rose to the rank of Makushita East 4. He also performed the Yumitori-shiki (bow-twirling ceremony) on behalf of Yokozuna Hakuho.
After retiring, he has been actively promoting sumo culture both in Japan and abroad through organizing training sessions, producing the YouTube channel "Osumo Gucchan-neru," and hosting sumo experience events.
He appeared as the character Entori in the Netflix drama *Sanctuary* and has also participated in stage performances.
Currently, he organizes inbound sumo events and shows for international visitors, and also works as a personal trainer, sharing the appeal of sumo while supporting people’s health and well-being.

Inasu is a technique where wrestlers avoid taking the opponent’s force head-on and instead redirect it. In sumo, even if there is a difference in size or strength, this move can quickly change the flow of the match.

The Basic Meaning of Inasu

Inasu means to shift one’s body slightly to the side when the opponent charges forward, thereby deflecting their momentum instead of resisting it directly. This technique allows a smaller wrestler to overcome differences in size and strength by using the opponent’s power against them.

The key feature of inasu is that it does not involve a head-on collision. Instead, it emphasizes using the opponent’s momentum to reverse the situation. It is somewhat similar to body movements in judo or feints in soccer. Though it looks simple, it demands anticipation and split-second reactions.


The Flow of Inasu

Here is how inasu is typically executed:

StepActionKey Point
1Observe the opponent’s forward chargeAnticipate their balance and momentum
2Move sideways at the moment of impactDon’t block; instead, redirect the force
3Let the opponent’s power go to wasteThe opponent loses balance and leans forward
4Counterattack immediatelyPush or throw while the opponent is unstable

The most important point is to never take the opponent’s force head-on. If you do, you risk losing instantly, but if you deflect it, you can quickly shift the advantage in your favor.


The Appeal of Inasu

Inasu is more than just a technique; it symbolizes the depth of sumo.

AppealDescription
Skill over strengthAllows smaller wrestlers to win against larger opponents
StrategyDisrupts the opponent’s balance and changes the match’s flow
Excitement for fansDisplays clever tactics beyond brute force

The greatest charm of inasu is that it lets fans appreciate not just raw power but also the subtle beauty of technique.


How Foreign Fans Can Understand Inasu

For foreign fans, inasu can be described as a “sidestep and deflect technique”. This phrase captures the essence well in English.

Japanese martial arts and culture often emphasize the idea of “deflecting rather than confronting directly.” Inasu in sumo is a perfect example of this. It reflects a Japanese aesthetic that values harmony and seizing opportunity through adaptability, rather than clashing with sheer force. This perspective makes inasu especially fascinating to international audiences.


When Inasu is Used

Inasu is often seen immediately after the initial clash (tachiai).

SituationEffect of Inasu
Right after the initial chargeUses the opponent’s momentum against them
Against strong pushersNeutralizes forceful thrusts and opens counter opportunities
At the edge of the ringTurns defense into a sudden counterattack

This technique requires calm observation and instant judgment. If successful, it creates an immediate advantage. If it fails, however, the wrestler risks being driven out of the ring.


Famous Wrestlers and Examples of Inasu

Throughout history, many wrestlers have been known for their mastery of inasu. It often plays a decisive role when smaller wrestlers defeat much larger opponents.

Wrestler TypeStrengthExample of Inasu
Small wrestlersSpeed and reflexesSidestep larger opponents’ charges
Technical wrestlersComposure and skillForce opponents off balance and attack
Veteran wrestlersExperience and timingAnticipate movements and waste opponent’s energy

Such bouts often thrill audiences, proving that inasu embodies the “wisdom of sumo” rather than just brute strength.


Conclusion

Inasu is a sumo technique where the wrestler avoids an opponent’s charge and redirects their force. With timing and reflexes, even smaller wrestlers can overcome larger opponents.

For fans, recognizing an inasu during a match deepens understanding and makes watching sumo even more enjoyable. Moreover, inasu is not just a technique but also a reflection of Japanese philosophy and aesthetics. It combines strategy, skill, and cultural meaning into a single move.

By offering both surprise and admiration to the audience, inasu shows that sumo is not merely about strength but about the perfect fusion of power and technique. That is why inasu is an essential element for truly appreciating the sport.

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