>Your shoulder joint includes spongy cartilage to prevent your bones from rubbing together, sort of like a safety cushion. As we age, that helpful cartilage begins to break down, which can make our bones rub together painfully and can result in a popping sound. In this case, that sound could be a sign of arthritis.
Source is below, but don't click on it I had problem to make the browser's back button work on a PC... Probably due to a buggy script
https://www.orangeorthonj.com/blog/why-you-shouldnt-ignore-that-popping-sound-in-your-shoulder
Maybe this https://youtu.be/UxXh2LoBHlY?t=73 it can totally happen over a fall
(post is archived)