Strongmen competitions

Strongman competition

sport

heavy natural stone which people are challenged to lift to prove their strength

Strongman competition

right|thumb|237px|Chikaraishi at the Adachi Shrine right|thumb|237px|Chikaraishi at Yanagimori-jinja , also or bijuru (Okinawan), are heavy rocks used at least since the 8th century CE in Japan to develop or demonstrate physical strength. Commonly found within Shinto shrines, they were used for competition, divination, physical fitness and entertainment; some famous examples have also become tourist attractions, and many have been recognised as Important Cultural Assets by the Japanese Government.