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内股 · うちまた · inner thigh throw · said OO-chee MAH-tah
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The IJF publishes an animation of Uchi-mata: watch it on judo.ijf.org.
Depends on the form. The throw is legal and scores. Diving forward and downward onto the head to force it through is a direct hansoku-make, and the rule names uchi-mata first among the throws it happens on.
Sport and Organisation Rules of the International Judo Federation: refereeing rules, 2026 edition, Article 18.2.1.
Tori sweeps the inner thigh from between uke's legs while rotating, lifting uke over the sweeping hip and leg: a favourite of tall fighters.
Suggest an edit to About this technique for Uchi-mata
A technique to sweep up the opponent’s left inner thigh with the back of the right thigh and throw him down by breaking his balance forward.
Suggest an edit to Key points for Uchi-mata
Ashi-waza (foot and leg techniques) · Gokyo 2nd set
These steps describe the standard right-handed form without relying on the video.
Left-handed: these steps use the standard right-handed form. Swap every left and right.
Suggest an edit to Step by step for Uchi-mata
You feel yourself drawn up onto your toes, then a leg rises between yours and the floor leaves you: this throw has real height. Your right sleeve is held, so you will turn in the air and land on your back towards your left side. Tuck your chin, let the held arm support you, and slap with your free left arm as your back meets the mat. Expect the landing to arrive later than you think.
From the gripped-up start the pull to the toes is your entry signal, not anything seen: when the lapel-side elbow feels their weight rise, the pivot window is open. Keep both grips connected through the turn so their position stays readable through your hands; the sweeping leg finds the inside of the thigh by brushing contact up their leg, never by aiming through space.
A coaching name for where the lifting leg works: it sweeps across the front of the thigh, on the line of harai-goshi, rather than rising between the legs. The entry, the pull and the finish are unchanged, and referees score it as uchi-mata.
Also called: hopping uchi-mata.
Uchi-mata finished with a run of hops on the supporting leg. The first lift does not complete the throw, so tori keeps the inner thigh loaded and hops after uke's balance until they turn over. Common in contest against a strong defensive posture.
Senior IJF competition, 2020 to 2026, from 73,099 contests. Counts scores, not attempts.
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Ministry of Education, Culture, Sports, Science and Technology has published guidance on this. Choose whose to show under Organisations' own guidance on My progress.
This guidance was written for compulsory school physical education in Japan, not club instruction, and is taught to a whole class, including everyone who did not choose judo. Its teaching stage does not indicate how difficult the technique is.
Tori breaks uke's balance toward the right front corner, draws uke firmly against his own right chest, and, pivoting on the left foot, swings the back of the right thigh in from the front between uke's legs, springing up from the inside and throwing uke forward.
Printed page 132
Image of the technique and the ukemi (breakfall). Uke's cooperation: Uke is thrown while arching the upper body an appropriate amount, so that tori does not end up bent forward. How to take the ukemi: Uke matches tori's uchi-mata and takes mae-mawari-ukemi (forward rolling breakfall). Tori, using a forward-turning tai-sabaki (body movement), breaks uke's balance to the front, springs up from the inside with the right leg, and throws uke forward.
Printed page 132
How to take the ukemi: Uke rotates sideways, pivoting on the right knee, and takes yoko-ukemi (side breakfall). Tori breaks the balance of uke: who is up on one knee: to the front, and throws by springing up from the inside with the right leg.
Printed page 132
While uke is turning to the right, throw in response to that movement.
Printed page 132
Tori must not step in shallowly with the supporting leg and try to throw with the leg alone.
Printed page 132
Safety
Do not apply the technique bent forward, in a posture that drives the head into the tatami.
Printed page 132
From School Physical Education Practical Instruction Materials No. 2 (Third Revised Edition): Guide to Teaching Judo, published by Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan. Page images are reproduced from that document.
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