Technical Mechanics

Ushiro Waza: Defending Rear Attacks in Yoshinkan Aikido

Ushiro Waza in Yoshinkan Aikido: escaping bear hugs, rear wrist grabs, and chokeholds using angle, structure, and leverage.

Ben Ong
Ben OngAuthor
Tony Chung
Tony Chung (6th Dan)Technical Reviewer
Updated 20 August 2026Published 23 August 2026

The most disorienting attack is the one you never see. A grab from behind removes your greatest assets—vision, reaction distance, and preparation—and replaces them with panic. In Yoshinkan Aikido, the complete family of responses to these scenarios is known as Ushiro Waza (後ろ技 · Rear Techniques).

Rear defenses are not optional extras in the Yoshinkan syllabus. They are a mandatory component of senior grading examinations precisely because they test everything fundamental Aikido training builds: calm under pressure (Fudoshin), immediate balance disruption (Atemi), and turning safely into an opponent without ever fighting their strength.

Key Takeaways
  • Lower Your Center First: Every effective rear defense begins by dropping your hips below the attacker's grip line.
  • Atemi Buys Time: A backward elbow strike or heel stomp breaks the attacker's focus before any joint lock begins.
  • Turn Into Safety: Pivoting toward the side of the grabbed arm (Tenkan) protects your joints and faces your threat.
  • Leverage, Not Muscle: Wrist rotation along anatomical lines defeats grips regardless of attacker size.
  • Mandatory for Grading: Ushiro Waza is a core examination requirement from brown belt onward.

1. The Three Classic Rear Attacks

Yoshinkan's syllabus isolates three foundational rear scenarios, each with its own mechanical solution:

  • Ushiro Ryotetori (後ろ両手取り · Rear Two-Wrist Grab): The attacker grabs both of your wrists behind your back, pinning your hands together.
  • Ushiro Ryokatatori (後ろ両肩取り · Rear Shoulder Grab): Hands clamped on both shoulders, controlling your upper frame.
  • Ushiro Kubijime (後ろ首締め · Rear Chokehold): An arm wrapped across the neck—the highest-threat scenario, demanding the fastest response.

What all three share is a single structural weakness: the attacker must commit their body behind yours. Once you turn and face them, their position advantage disappears entirely.

2. The Universal Response Sequence

Regardless of which grip lands, Yoshinkan teaches one underlying response pattern:

  1. Drop Your Center: Bend the knees and sink into Kamae. Lower hips make you harder to lift, give your elbows room to strike, and stop a choke before full pressure settles.
  2. Atemi Behind You: A sharp backward elbow strike to the ribs, or a heel stomp onto the attacker's instep, forces an instinctive flinch that loosens the grip.
  3. Raise the Arms: Lifting both arms as you drop lightens the grip instantly—arms are hardest to hold when rising, easiest to pin when lowered.
  4. Tenkan Toward the Open Side: Pivot on the front big toe (Oyayubi) toward whichever arm has more freedom of movement, bringing you face-to-face with the attacker.

3. Technique Breakdowns

1. Ushiro Ryotetori → Kotegaeshi

With both wrists seized, raise the arms while stepping slightly forward to extend the attacker's reach. Slide one hand free along the thumb line, pivot through Tai no Henko II, and fold the captured hand inward with Kotegaeshi. The same wrist torque that works face-to-face now works against a rear grip—because the anatomy does not change.

2. Ushiro Ryokatatori → Sankajo Entry

Against shoulder grabs, drop low and strike backward over the trapping arms with your elbows. As you turn, capture the nearest gripping hand with your free palm and apply Sankajo Osae—the upward spiral torsion lifts the attacker onto their toes and collapses their posture downward.

3. Ushiro Kubijime → Escape and Control

Speed is everything against a choke. Tuck the chin to protect the throat, seize the choking forearm with both hands to preserve the airway, and sink immediately. A heel stomp and hip rotation toward the encircling arm creates the gap; from there, step out of the hold and apply Hijishime against the extended elbow as the attacker overcommits. Read our full breakdown in Hijishime & Hijiate.

Technical Video Reference · Aikido Sengenkan Japan

Takashima Sensei demonstrates Ikkajo applied against a rear grab — the turn, the entry, and the control working as one continuous motion.

Watch on YouTube

4. Common Errors & Corrections

Common ErrorBiomechanical WeaknessYoshinkan Correction
Pulling Forward in PanicRunning momentum drags the defender off-balance backward.Sink first. A lowered center cannot be lifted or dragged easily.
Standing TallHigh center of gravity lets the attacker lift and carry.Bend the knees deeply before any turn or strike.
Turning the Wrong WayRotating into the strongest trapping arm folds your own joints.Always Tenkan toward the freer arm, away from the primary trap.
Skipping AtemiAttempting locks against a focused, resisting grip requires brute force.Elbow strike or heel stomp first—locks succeed against flinched grips.

5. Grading Requirements & Training Progression

Ushiro Waza appears formally in Yoshinkan testing from brown belt onward, where candidates demonstrate rear wrist grabs, shoulder grabs, and chokehold defenses under continuous, uncooperative pressure. The progression mirrors how we teach everything else:

  • Floor-Level First: Responses are drilled slowly from static holds until the sequence—drop, atemi, raise, tenkan—is automatic.
  • Cooperative Speed: Partners increase resistance gradually, exactly as they do when learning Ukemi.
  • Kihon Dosa Foundations: The pivots and entries inside every rear defense are drawn directly from Tai no Henko and Hiriki no Yosei—which is why basic movements are never skipped, even for senior students.

Read how this fits the broader pathway in our Grading Syllabus, and study the individual pins involved in Ikkajo to Yonkajo.

Train Rear Defenses at Shoreikan Dojo

At Shoreikan Dojo in Kepong, Kuala Lumpur, Chief Instructor Tony Chung (6th Dan) teaches Ushiro Waza progressively—from slow static drills to dynamic, uncooperative applications. Beginners are never thrown into advanced scenarios before the fundamentals are solid. Explore our Saturday Morning Class Schedule or read our First Class Beginner's Guide.

Canonical Literature & References

  • Shioda, Gozo. (1996). Total Aikido: The Master Course. Kodansha International.
  • Aikido Yoshinkai Foundation (AYF). Yoshinkan Aikido Examination Syllabus. Tokyo Honbu.
  • Shioda, Gozo. (1968). Dynamic Aikido. Kodansha International.
  • Twigger, Robert. (1997). Angry White Pyjamas: An Oxford Poet Trains with the Tokyo Riot Police. William Morrow.
Editorial Integrity & Technical Review

About the Author & Reviewer

Ben Ong

Ben Ong

Author

Student & Yoshinkan Practitioner

Student and Yoshinkan Aikido practitioner at Shoreikan Dojo, documenting classical techniques, biomechanics, and martial principles.

Read Full Profile
Tony Chung

Tony Chung

Reviewer

6th Dan Chief Instructor · Co-Founder

Authentic Yoshinkan instruction in Malaysia since 2001, maintaining direct technical syllabus standards from Tokyo Honbu.

View Sensei Bio & Lineage
Experience Yoshinkan Aikido

Join a Free Saturday Trial Class

Reading about martial biomechanics is just the beginning. Step onto the tatami in Metro Prima, Kepong, Malaysia, and experience center-line balance firsthand.

WhatsApp Tony Sensei →