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Uchi Komi

Uchi komi (打ち込み) translates from Japanese as "repeated entry practice." The term was originally borrowed from Kendo and adopted by judo to describe the repetitive drilling of a throw's entry and positioning phases, stopping before the throw is executed.

In uchi komi, tori (the thrower) works through the opening movements of a technique — establishing the grip, breaking the partner's balance (kuzushi), stepping into position, and loading the body — then resets and repeats. Uke (the receiving partner) absorbs the entry without being thrown, allowing both practitioners to work at high volume safely.

Uchi komi is practiced in three main forms: static (no footwork, pure form focus), moving (footwork added to simulate realistic entry angles), and power (a third partner adds resistance to the entry without allowing the throw to complete). Each variation develops a different layer of the mechanical foundation required for effective throwing.

The deliberate stop before commitment is what makes uchi komi valuable. It allows the movement pattern to be ingrained through clean, repeatable conditions before resistance and full consequence are introduced.

Related article: Uchi Komi, Nage Komi, Randori: The Judo Training Progression That Builds Skill and Protects the Body | Combatpit

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