Traditional and sport
Kumite principle

Zanshin 残心

Remaining mind

What it is

In plain words

The alertness that continues after a technique has finished. A fighter who scores and then relaxes has demonstrated its absence, and in competition zanshin is judged as part of the technique rather than as something added to it.

5 points

How it is taught.

The trigger that starts it, the distance and timing it needs, the decision it represents, and what it costs when it is wrong.

Mechanics
The technique finishes, the guard recovers, the eyes stay on the opponent, and the body remains able to act. Nothing switches off.
Timing
Immediately after the technique, and continuing until the exchange is genuinely over — which the referee, not the competitor, decides.
The decision
It is not a decision at all once trained, which is the point of training it.
The risk
Its absence is the single commonest way a scoring technique is followed by a scoring counter.
Application
The end of every technique, in kata as much as in kumite.
2 faults

Common errors, and how to fix them.

Fault
Dropping the hands to admire a technique that landed.

Why it happens. Satisfaction.

The fix. Partner counters every time the hands drop. It stops within one session.

Fault
Turning away after an exchange.

Why it happens. Assuming it is over.

The fix. Reset facing the opponent, always, in every drill.

Practice

Drills

  • Every drill in the dojo finishes with the guard recovered and the eyes on the partner. No exceptions.
  • Partner throws a light counter whenever attention lapses.
Kumite ↔ kihon ↔ kata

What it connects to.

Kata
2 terms

The Japanese, explained.

Zanshin 残心
Remaining mind, continued awareness. The alertness that continues after a technique has finished. A karateka who scores and then relaxes has demonstrated the absence of zanshin, and in competition it is judged as part of the technique rather than as an extra.
Kime 決め
Focus, decision. The instant at which every part of the body arrives at once and the technique becomes solid — and the instant immediately after, when it relaxes again. Kime is a moment, not a state. Tension held after impact is tension that slows whatever comes next.