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Osu Dachi

Hand Technique

Koken

Arc Fist

PronunciationKoh-ken

Yellow BeltIntermediate

Key Points

Purpose
Arc fist using bent wrist as striking surface
Timing
When bent wrist strike angle is needed
Difficulty LevelIntermediate

Step-by-Step Execution

Follow these steps to perform the Koken correctly

  1. Bend wrist back forming arc with back of hand and forearm

    Strike with bent wrist area

  2. Use arc of bent wrist as striking surface

    Useful for specific angles of attack

Practice Complete

Repeat the sequence to build muscle memory

Prerequisites