What Makes Izori Fascinating? Exploring the Secrets of a Rare Winning Technique in Sumo

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.

In the world of sumo, there are over 80 winning techniques, but few are as rare and breathtaking as Izori. This move, where a wrestler bends backward like a bow and flips his opponent behind, combines both power and artistry. For beginners and international fans, Izori is a perfect example of sumo’s beauty beyond brute strength.

What is Izori?

Izori is classified as a “sori-waza” (backward bending technique) in sumo. Unlike most techniques that rely on pushing or pulling, Izori uses the wrestler’s flexibility and explosive power by arching the back like a bridge to throw the opponent.

In a whole year of tournaments, the number of times it actually appears is very few. Thus, witnessing Izori live is almost like witnessing a miracle. When it happens, the entire arena erupts with excitement.

For international fans, this move showcases that sumo is not only about brute strength but also about finesse, timing, and body control. Izori embodies the artistic and technical depth of sumo.


The Mechanics of Izori

Although Izori looks simple at first glance, it requires extraordinary body control. The movement unfolds in the following way:

StepExplanation
Diving insideThe wrestler makes a swift and low entry, destabilizing the opponent’s balance
Arching the backUsing powerful back and waist muscles, the wrestler bends dramatically backward
Throwing the opponentThe body acts as a pivot to lift and send the opponent backward
Victory confirmedThe opponent collapses, completing the winning technique

This sequence happens in only a few seconds. Without tremendous flexibility and back strength, the move cannot succeed. Each time Izori is executed, the crowd marvels at how the wrestler managed to bend and throw under such pressure.


Why Izori is Rare

Although it is spectacular, Izori is rarely seen. There are three main reasons:

  1. Very few opportunities to dive inside
    Wrestlers usually maintain a forward-leaning posture, leaving little chance to enter beneath them.
  2. Requires exceptional core strength and flexibility
    The extreme backward bend puts heavy strain on the body, achievable only by those with relentless training.
  3. High risk of failure
    If the bend is incomplete, the wrestler ends up showing his back and falling into a vulnerable position.

For these reasons, Izori is often called a “phantom technique”, admired precisely because of its rarity.


Comparison with Other Techniques

How does Izori differ from other common kimarite? The following table illustrates the contrast.

TechniqueCharacteristicFrequencyAudience Impression
Oshidashi (push-out)Forcing opponent straight outVery frequentEasy to understand strength
Yorikiri (force-out)Grappling and driving outFrequentRegarded as a fundamental move
Uwatenage (overarm throw)Throwing sideways with gripModerateDisplays skill and technique
IzoriBending backward to throwExtremely rareSurprising, artistic, breathtaking

This comparison makes Izori’s uniqueness and scarcity even clearer.


Conditions for Success and Wrestlers’ Strategy

Three main conditions are required for Izori to succeed:

ConditionExplanation
TimingDiving at the exact moment the opponent charges forward
FlexibilityAbility to bend the back and waist dramatically
Back strengthSupporting and throwing the opponent’s weight

To master this, wrestlers engage not only in standard training but also in stretching routines and intensive back exercises. For those who keep Izori as part of their arsenal, it serves as a hidden trump card, often used at the edge of the ring when the opponent overextends.


Izori in History and Famous Moments

Throughout sumo’s long history, Izori has appeared only rarely, which makes its recorded instances legendary. In the Showa era, there were bouts where a smaller wrestler toppled a larger opponent with Izori, astonishing the audience. Even in recent tournaments, whenever it happens, it becomes headline news and a hot topic among fans.

Its rarity ensures that each occurrence is remembered vividly, becoming part of sumo folklore.


A Perspective for Beginners and International Fans

For beginners and those unfamiliar with sumo, Izori is one of the easiest techniques to appreciate. Its motion is large, dramatic, and instantly recognizable as decisive.

International audiences often think of sumo as a contest of pure force. But when they witness Izori, they realize “sumo also includes artistic and acrobatic movements”. Furthermore, the atmosphere in the arena when Izori is executed is unlike any other—the collective roar of the crowd creates an unforgettable moment.


Conclusion

Izori is one of the rarest and most artistic winning techniques in sumo. When successful, it captivates the entire audience. The move requires not only strength but also timing, flexibility, and courage. Its scarcity enhances its beauty and ensures that it leaves a lasting impression whenever it appears.

For beginners and international fans, Izori offers a gateway into understanding sumo’s depth and diversity. Witnessing Izori live is not just watching a match—it is experiencing one of the purest forms of sumo artistry. If you are lucky enough to see it, that moment will stay with you for a lifetime.

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