Strangely enough, except for once in my youth where playing Frisbee for many hours resulted in a thrown-out back the next day, I have only thrown mine out doing normal, everyday things, like bending down, reaching for something, getting up from the couch, getting out of bed in the morning, etc.
Strangely enough, except for once in my youth where playing Frisbee for many hours resulted in a thrown-out back the next day, I have only thrown mine out doing normal, everyday things, like bending down, reaching for something, getting up from the couch, getting out of bed in the morning, etc.