From a statue of Diskoforos or Diskos carrier

myminifactory

The Discophoros "Discus-Bearer" was a bronze sculpture by the classical Greek sculptor Polyclitus, creator of the Doryphoros and Diadumenos, and its many Roman marble copies.  Like the Doryphoros and Diadumenos, it was created as an example of Polyclitus's "canon" of the ideal human form in sculpture. It normally features a young, muscular, solidly-built athlete in a moment of thought before throwing a discus with some copies also often missing their arms, in which this case only shows