Freediving Basics: Breathing, Safety & Equalization
Why Master the Fundamentals?
Freediving is as much mental discipline as it is physical skill. Getting the basics right – breathing, safety and equalization – builds the foundation for every dive you’ll ever do. Formal training emphasizes two non‑negotiable tenets: never breath‑hold dive alone and never hyperventilate. Hyperventilation reduces carbon‑dioxide levels and removes the urge to breathe, increasing the risk of black‑out. Always dive with a trained buddy who can monitor you during and after a dive.
Proper Breath‑Up Techniques
Before descending, freedivers perform a “breath‑up” to oxygenate the body and calm the heart & mind. The safest and most effective method is box breathing.
Inhale 2 seconds, pause for 2 seconds then exhale for four seconds.
Safety Rules Every Diver Should Follow
Freediving can be safe when divers adhere to strict protocols. The Fins & Foam Freediving safety rules include:
- Never dive or practise breath‑holding alone. Always have a buddy observe you on each dive.
- Avoid hyperventilating. Rapid breathing reduces carbon‑dioxide and increases blackout risk.
- Use proper weighting. Ensure you remain positively buoyant at 10 m and above.
- Do not exhale underwater. Hold your breath until you’re at the surface.
- Remove your snorkel before diving and wear a lanyard when line‑diving for safety.
Equalization: Valsalva vs Frenzel
Equalizing your ears and sinuses prevents painful pressure and barotrauma. Two common methods are the Valsalva and the Frenzel maneuvers. Valsalva uses abdominal muscles to push air from the lungs into the middle ear, making it difficult to perform and ineffective beyond 10 m. Frenzel, by contrast, uses the tongue and throat to compress air in the mouth and requires no respiratory effort. Because it engages smaller muscles, Frenzel is more efficient and allows divers to equalize at greater depths.
To Learn Frenzel:
- Pinch your nose and gently close the soft palate.
- Move your tongue to push air toward the back of your throat, as if pronouncing the letter “K.” You should feel your ears pop.
- Practise on land and at shallow depths under supervision; gradually increase depth while maintaining relaxed breathing.
Experienced freedivers adopt advanced techniques such as mouth-fill, where a reserve of air is stored in the mouth and gently squeezed into the Eustachian tubes during deep descents. These methods require guidance from an instructor and careful depth progression to avoid injury.
Stay Relaxed Underwater
Relaxation is vital during a breath‑hold. Tension increases oxygen consumption and accelerates carbon‑dioxide buildup. Focus on slow fin kicks, streamlined posture and a calm mind. Use visualization and meditation techniques on land to build mental resilience – freedivers like Stig Severinsen credit mental training with enabling breath‑holds over 20 minutes.
Join Our Level 1 Course
SAVAGE DIVING’S Level 1 Freedive +Intro to Spearfishing™ Course is the perfect way to master these fundamentals. You’ll begin with eLearning and classroom/pool sessions (the “crawl”), then move to spring‑based confined‑water training (the “walk”) and finally experience open‑ocean dives (the “run”).
Our small 4:1 student‑to‑instructor ratio ensures personalized attention as you learn diaphragmatic breathing, Frenzel equalization and essential safety skills.
Ready to unlock your potential?
Book Online Today Or Contact Us today to book your Level 1 Freedive Course and start your freediving journey.