Tactical & Focus
Shinobi-Iki (Stealth Breathing)
- Structure
- Breathing deeply and silently by keeping the mouth slightly open and inhaling/exhaling along the edges of the tongue.
- Benefit & Nervous System Impact
- Hides audible breath sounds, stabilizes heart rate under threat; Downregulating.
- Duration & Rationale
- During movement/concealment
- Best For
- Stealth, high-stress evasion, lowering heart rate.
- Good If Combined With
- Slow walking, crawling.
- Source / Origin
- Feudal Japan (Ninjutsu)
- Intensity & Safety
- Low
Related techniques
Anti-G Straining Maneuver (AGSM / "Hick" Breath)
Tactical & Focus
Rapidly spikes blood pressure to prevent blood from pooling in the legs; Extreme Upregulation.
Iron Shirt Breathing (Tie Shan Shan)
Tactical & Focus
Creates a pneumatic shock absorber against strikes; Extreme Upregulation.
The Stoic Pause (Prohairesis)
Tactical & Focus
Engages the prefrontal cortex (Logos), overrides the amygdala; Downregulating.