This research is done from the development of pedagogical practices in tenth semester with students of creation emphasis of the UPN Performing Arts Degree. Taking as a starting point the pedagogical practice project and its scope, the creation and implementation of the Triune Expressive Body methodological tool is proposed, as an analytical exercise of the formative practice in relation to brain dominances and / or the concepts of: Body Action, Body Reason and Body Creation. Determining what the contributions of this tool are, is the main objective from the reflection of the construction of the teaching role of future performing arts graduates.