Learning the Why and How’s of Equalization During Scuba Diving

 


Being underwater – be it through snorkeling, free diving or scuba diving – is a wonderful way to enjoy a completely different world to our land one. But by exploring this new world, our bodies are exposed to physiological changes created thanks to the difference between air and water.


Your body is filled with “dead air spaces.” One of these dead air spaces is the air space within our middle ear. The middle ear is sealed by the eardrum and connected to the outer world by the Eustachian tubes running at the back of your throat.


If you’ve been down to the bottom of a deep pool, flown in an airplane or driven to the top of a high mountain – the feeling of increased or decreased ear pressure will be a feeling that is familiar to you. This feeling is very similar when it comes to snorkeling, freediving and scuba diving.





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