Iriminage - Shomenuchi (Standing)

Aspect Description
Japanese 入身投げ 正面打ち立ち技
Translation Entering-body throw from overhead strike, standing technique
Classification Nage-waza (Throwing techniques) > Iriminage series
Type Omote (Front entry)

Overview

Shomenuchi Iriminage is the fundamental iriminage technique and one of O-Sensei's core teachings. It exemplifies the principle of irimi (entering) - moving deeply into the opponent's space to control and throw. This technique is especially emphasized because it demonstrates the "silent sword" (otonashi no ken) principle - cutting without being cut.

O-Sensei placed great emphasis on iriminage in his later years. As noted in Takemusu Aikido Volume 4: "During his last years, the Founder placed great emphasis on kokyunage and iriminage techniques."

Historical Context

This technique appears in Budo (1938), showing its importance from the pre-war period through O-Sensei's final years. By 1938, iriminage already bore close similarity to the form taught in the postwar period in Iwama.

Step-by-Step Instructions

Source: Takemusu Aikido Volume 2, Pages 150-152

[1] [2] Initiate with Atemi

[3] Grab Collar and Cut Down

[4] Pull to Chest

[5] [6] Step Through and Throw

[7] Complete the Throw

Kuden (口伝) - Oral Teachings

From O-Sensei (Budo, 1938)

On the Initial Cut (Photo ❸, Budo p.16):

"Cut your opponent's right tegatana down to the right with your right tegatana."

On the Collar Grip (Photo ❹):

"Take the back of your partner's collar and pull with your left hand towards your chest."

On the Final Throw (Photos ❺❻, Budo p.10):

"Take your opponent's back collar with your left hand (or place your left hand against your opponent's back) and throw him down by advancing with your right foot while pushing his neck down with your inside right elbow. You must put power into your fingertips and turn your arm inward."

Collar vs. Hip Control

Whether you take your partner's back collar or place your hand on her back depends on the kind of technique you are applying.

This is a fundamental teaching that O-Sensei maintained throughout his life.

Riai (理合) - Sword Connection

Tachidori Mindset

From Takemusu Aikido Volume 2, Page 154 (Shomenuchikomi Iriminage [1]):

"Many people forget their right hand and leave it behind when they try to evade the attack. Be sure to apply this technique in the same manner as when executing tachidori (sword-taking techniques) and be careful not to allow your hand to be cut."

This means:

The "Silent Sword" Principle

From Takemusu Aikido Volume 2, Page 158 (Shomenuchikomi Iriminage [3]):

O-Sensei explains in Budo (p. 31):

"I will explain why I am able to succeed in cutting my opponent without his sword ever striking me."

This technique exemplifies otonashi no ken (音無しの剣 - the silent sword):

The Principle:

"Be sure to control your opponent using the principles of the sword."

All iriminage techniques should be practiced with this sword mindset - as if both you and your opponent are wielding blades.

Hand Positioning from Sword Work

From Takemusu Aikido Volume 1, Page 94:

When receiving yokomenuchi attacks (and by extension, all striking attacks):

"When doing ikkyo, nikyo, sankyo, yonkyo, iriminage, or any other technique, be sure to grab your partner's wrist from above after parrying."

This comes directly from sword deflection principles - you must receive and control from above (as in sword parrying), never from below where you could be cut.

Technical Details

Body Positioning

Critical Point: The angle of your foot in photo ❷ should be about 90 degrees with respect to your partner.

On Turning: From Budo:

"Pay attention to your rear"

This means you should look behind while turning. Another opponent might be standing behind you. If you do not turn a full 180 degrees or if you keep looking at your opponent, you will not be able to execute proper irimi.

The Collar Grip

The left hand grabbing the collar is absolutely critical:

  1. Pull toward your chest - this is the key control
  2. Keep the collar connection at your center line
  3. Do not release this connection until the throw is complete

The Throwing Arm

Right Arm Position:

From Volume 2, Page 152:

"Step through with your right foot while bringing your right inner elbow against your partner's neck. Be sure to put power into your fingertips while turning your right arm down and inward."

Three Methods of Application

There are three entries taught by O-Sensei:

  1. Basic form (shown above): Step to side and grab collar
  2. Shomenuchikomi (1): Direct deep entry to opponent's rear
  3. Shomenuchikomi (2): Draw out opponent's blocking response, then enter (demonstrates ki no myoyo - subtle use of ki)
  4. Shomenuchikomi (3): Enter without withdrawing or touching opponent's blocking hand (demonstrates otonashi no ken - silent sword)

All three demonstrate progressive levels of timing and understanding.

Common Mistakes

1. Wrong Foot Angle (Photo ❷)

2. Leaving Right Hand Behind

3. Not Pulling Collar to Chest

4. Using Only Elbow without Fingertip Power

5. Not Turning Arm Inward

Ki no Nagare Variation

See: Iriminage - Shomenuchi Ki no Nagare

The flowing version of this technique requires even greater timing and demonstrates O-Sensei's teaching on 360-degree throwing ability.

Training Progression

Kotai (固体 - Solid Practice)

Jutai (柔体 - Soft Practice)

Ryutai (流体 - Flowing Practice)

Cross-References

Other Shomenuchi Techniques

Principle Connection

Sources

Primary Sources

Historical References

Notes

O-Sensei's Late-Period Teaching

Iriminage, along with kokyunage, received special emphasis from O-Sensei in his final years. Anyone who has viewed films of O-Sensei from that period will recognize this emphasis.

Universal Entering Principle

While this technique is named "iriminage" (entering throw), the irimi principle applies to virtually all aikido techniques. This technique is called iriminage specifically because the entering movement is its most defining characteristic - the entry is so deep and direct that the throw becomes almost inevitable.

Connection to All Techniques

O-Sensei's statement from Budo: "All basic yokomenuchi techniques such as ikkyo through gokyo, shihonage, iriminage and so on begin in this manner" (Volume 6, p. 3142) shows that iriminage is part of the fundamental technical curriculum that encompasses all basic aikido principles.