breathe · all techniques

CO2 Tolerance Hold

Performance · Advanced · 6 rounds

Extend breath-hold for swimming, freediving and combat sport.

CO2 tolerance training delays the urge-to-breathe response. Crucial for swimmers, freedivers, and combat athletes. Builds resilience to oxygen debt. Never practice in water unsupervised.

How to practice

1. Inhale for 4 seconds (through the nose)
2. Hold for 8 seconds
3. Exhale for 8 seconds (through the nose)

Benefits

• Extends breath-hold
• Delays urge to breathe
• Improves lactate tolerance
• Sharpens focus

When to practice

2-3 sessions per week. Stop if dizzy.

Safety

Not suitable for: Pregnancy, High blood pressure, Heart conditions.

Dry land only. Never practice breath holds in water without a trained buddy.

This is general information, not medical advice. Check with a clinician if you are pregnant, managing a health condition, or unsure whether a practice suits you.