Hi, great article; dreadful, dreadful film:p The greatest weapon in John Pogue's arsenal of scare - tactics, is the audience's uneasy fear that they're going to leave the cinema with perforated eardrums. (themissingreel.com)
Less common problems include perforated eardrums from landing on the ear; corneal abrasions; concussions; and anxiety and psychological stress from learning complex dives and the pressure to perform. (sciencedaily.com)