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02 · FreedivingDiverIntermediateComing soon

FR006Equalization Theory

Why ears and sinuses need equalising and how the main methods work in theory. Technique must be learned with a coach.

10 lessons About 7 hours of study Diver tier (free during launch)

This course is planned. The syllabus is shown so you can see what it will cover; the lessons are still being written and reviewed.

What you will learn

  • Explain why equalisation is needed
  • Describe the main equalisation methods in theory
  • Recognise equalisation problems and warning signs
  • Explain why forcing equalisation is risky

Syllabus

  1. 1Why we need to equalise
  2. 2Anatomy of the ears and sinuses
  3. 3The Valsalva manoeuvre
  4. 4Frenzel and related methods
  5. 5Mouthfill concepts
  6. 6Problems and prevention
  7. 7Flexibility and lung squeeze awareness
  8. 8Revision and assessment
  9. 9Case studies
  10. 10Safety review