equalize

My fiance and I just finished our open water diving class. About 8 years ago he perforated his eardrum. It has since fully healed but he has had lasting tinnitus. When we were doing our open water dives he had trouble equalizing in the ear that he perforated (not positive they are related but...

Hi, new to Scuba. Had first confined dives this week in local pool (9ft max depth). Did well on first night drills- didn’t particularly like the mask flood/clearing but who does? Had LOTS of trouble equalizing on our first “swim around”. Did a ton of research on clearing techniques, practiced...

I am able to equalize without pinching my nose (and without swallowing, turning my head, or any other means). I just do the same motion as when pinching my nose and it works. I've heard of others that can do this too. What is going on anatomically that lets a person do this? Is there a muscle...