not everyone has that rage of motion only people with hyperextended arms due to ligaments being longer or stretchier
Barely anybody can do that and the pain to pull it off is literally tormenting….
Pretty sure if your arms are tied like that up to the forearms, yeah you have to dislocate or break something to get it over your head.
Since she's used to do gymnastics before maybe that's why she can do it i guess but usually not everyone can do that
not everyone can do it, once you get older your joints become stiffer especially for men (women tend to be naturally flexible than men)
Why rotating your shoulder above your head dislocate her shoulder? I thought if you're flexible enough anyone can do it?