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Vagus Nerve Stimulation for Freediving Training
Education & TrainingPart 3 of 5Freediving PhysiologyDecember 22, 2025

Vagus Nerve Stimulation for Freediving Training

Transcutaneous electrical vagus nerve stimulation is a novel self-regulation and recovery method that involves delivering mild electric impulses through the skin to the main nerve of the parasympathetic nervous system, the vagus.

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Breathing Techniques for Beginner Freedivers
Education & TrainingPart 1 of 6Training & Breath-HoldFebruary 11, 2025

Breathing Techniques for Beginner Freedivers

Master the fundamental breathing techniques that every freediver needs to know. Learn proper diaphragmatic breathing, breath-hold preparation, and relaxation methods.

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How to Evaluate a Freediving Instructor Before You Book
Consumer ProtectionPart 3 of 6Courses & CertificationApril 15, 2025

How to Evaluate a Freediving Instructor Before You Book

Your freediving instructor's knowledge could save your life. Learn how to verify credentials, identify red flags, and ask the right questions before committing to a course. Independent guidance for making informed decisions.

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Freediving Deaths: Causes, Prevention & What We Can Learn
Safety & StandardsPart 3 of 4Freediving SafetyApril 8, 2025

Freediving Deaths: Causes, Prevention & What We Can Learn

A comprehensive examination of freediving fatalities, the physiological mechanisms behind them, and evidence-based strategies to keep yourself safe in the water. Most freediving deaths are preventable—here's what you need to know.

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AIDA vs CMAS: The Fractured World of Freediving Governance
Education & TrainingPart 2 of 6Courses & CertificationApril 1, 2025

AIDA vs CMAS: The Fractured World of Freediving Governance

Freediving is governed by two rival organizations that don't recognize each other's records and recently severed cooperation. From the 2023 doping scandal to political interference, here's how the sport's governance became so fragmented.

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Equalization Techniques: A Complete Guide
Education & TrainingPart 1 of 4Equalization MasteryFebruary 4, 2025

Equalization Techniques: A Complete Guide

Learn the essential equalization techniques every freediver must master. From Valsalva to Frenzel, understand which method works best for you.

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Freediving Safety: The Buddy System - Your Lifeline Underwater
Safety & StandardsPart 4 of 4Freediving SafetyJanuary 28, 2025

Freediving Safety: The Buddy System - Your Lifeline Underwater

The buddy system is the fundamental safety protocol that stands between life and death in freediving. Learn why solo diving kills, how to be an effective safety diver, proper rescue procedures, and what the statistics reveal about diving deaths.

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Freediving Fins Buying Guide: Carbon vs Fiberglass vs Plastic
Education & TrainingPart 3 of 5Gear GuidesDecember 10, 2024

Freediving Fins Buying Guide: Carbon vs Fiberglass vs Plastic

Complete guide to choosing freediving fins. Compare carbon, fiberglass, and plastic materials. Stiffness selection by body weight. Honest brand comparisons: Molchanovs, Cetma, Alchemy, Leaderfins, and Mares with real prices and recommendations.

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Frenzel Equalization: Complete Troubleshooting Guide
Education & TrainingPart 3 of 4Equalization MasteryNovember 26, 2024

Frenzel Equalization: Complete Troubleshooting Guide

The most comprehensive guide to diagnosing and fixing freediving equalization problems. Learn why equalization fails, how to identify your specific issues, and get targeted solutions for every common problem.

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Blood Shift: How Your Body Protects Your Lungs at Depth
Education & TrainingPart 4 of 5Freediving PhysiologyNovember 12, 2024

Blood Shift: How Your Body Protects Your Lungs at Depth

Discover the remarkable physiological adaptation that allows freedivers to descend far beyond what scientists once believed possible—how blood shift works, why it matters, and how to develop this protective mechanism safely.

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What is Freediving? The Complete Beginner's Guide
Education & TrainingPart 1 of 5Getting StartedOctober 15, 2024

What is Freediving? The Complete Beginner's Guide

Everything you need to know about freediving — what it is, how your body adapts, the different disciplines, essential techniques, safety fundamentals, and how to get started with proper training.

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