Canadian grandmother broke a Guinness World Record by completing 1,575 pushups in one hour, despite her shoulder dislocating.

The surgeon who led the extremely rare procedure to replace a dislocated ... whose shoulder popped out immediately after surgery, so was anaesthetised straight away to put it back in.

A complete separation is called a shoulder dislocation. Subluxations can be ... This is because the shoulder may spontaneously reduce or “pop back into place” shortly after the injury occurs.