Can proper CPR break ribs?

Fracture of sternum and ribs is a common complication of cardiopulmonary resuscitation (CPR). Correct and standardized implementation of cardiopulmonary resuscitation can reduce its occurrence, but it cannot be completely avoided. Because repeated pressing is bound to damage the bones of the bones, it is likely to cause fractures when accumulated to a certain extent, which is especially easy to happen to those elderly people with osteoporosis.