Title your selection: Title needs to be a lot less than 100 characters Select a collection: Not able to load your assortment as a consequence of an mistake The American Academy of Orthopaedic Surgeons (AAOS) clarifies the patella can crack in alternative ways, starting from hairline cracks to finish shattering. https://www.theorthopaedicandpainpractice.com/what-are-patella-fractures/