This article is about a condition that evolves as an extra bone in the foot. Up to 2.5% of individuals are born with an extra bone right over the navicular bone in the foot in the middle of the arch.

The human foot exhibits a range of normal anatomical variants known as accessory ossicles, small extra bone fragments that arise from unfused secondary ossification centres. Although most ossicles ...

BTS leader RM suffered an accessory navicular sprain and talus contusion during rehearsals. The injury involves a rare extra bone in the foot present in 4-21% of the global population. Symptoms ...

BTS's RM has injured his ankle before the Arirang Live ConcertInstagram/Bighit and BTS offical The global K-pop community was left in shock on March 20, 2026, when BigHit Music confirmed that BTS's ...