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Osu Dachi

Hand Technique

Oyayubi-ippon-ken

Thumb Fist

PronunciationOh-yah-yoo-bee Ee-pohn Ken

Brown BeltAdvancedDangerous

Key Points

Purpose
Thumb fist for striking temple or below ear. LETHAL TECHNIQUE - use with great care
Timing
Life-threatening situations only
Difficulty LevelAdvanced

Step-by-Step Execution

Follow these steps to perform the Oyayubi-ippon-ken correctly

Important Note

  • CAUTION: Extremely dangerous, could easily kill. Never make contact during practice
  1. Form Seiken position but push thumb tip against area between first and second joints of index finger

    First joint of thumb sticks out

  2. Strike with thumb joint against temple or below ear lobe

    CAUTION: Extremely dangerous, could easily kill. Never make contact during practice

Practice Complete

Repeat the sequence to build muscle memory

Prerequisites