Kōji Gushiken (具志堅 幸司, Gushiken Kōji) (born November 12, 1956, in Ōsaka)[1] is an Olympic gymnast for Japan at the 1984 Summer Olympics in Los Angeles, California, where he won a total number of five medals, including two gold.

He broke an ankle in May 1985 which prevented him from training for 3 months and hindered his performances at the 1985 World Championships.

Gushiken announced his retirement at the 1985 Chūnichi Cup.

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