Training
Divers get training in clearing the ears before being allowed to dive. Because of the potential for side effects of the valsalva maneuver, scuba divers and free-divers may train to exercise the muscles that open the Eustachian tubes in a more gentle manner. The French underwater association (Fédération Française d'Études et de Sports Sous-Marins) has produced a series of exercises using the tongue and soft palate to assist a diver in clearing their ears by these techniques. These recommendations were based on work done at the Médecine du sport, Bd st Marcel, Paris.
With practice it is possible to close the nostrils hands-free by contracting the compressor naris muscles.
Read more about this topic: Ear Clearing
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