As a sociological concept, the nature of hegemonic masculinity derives from the theory of cultural hegemony, by Marxist theorist Antonio Gramsci, which analyses the power relations among the social classes of a society. Hence, in the term "hegemonic masculinity", the adjective "hegemonic" refers to the cultural dynamics by means of which a social group claims, and sustains, a leading and dominant position in a social hierarchy; nonetheless, hegemonic masculinity embodies a form of social organization that has been sociologically challenged and changed.