The humanitarian aid was also present mainly in the very beginning of the history of this Club because its statutes is also named as one of its objectives, the establishment of a Corps of Public Safety, since there was no association at the time of a Community entire City.

The Basketball Section was established on 29 October 1975 and total more than eighty titles in regional and even evidence of participating in National Championships and cups from the Initiates to Seniors, men and women.

It is part of the broader history of the Portuguese association of the twentieth century, most of which was a resistance movement and / or compensation in the areas of Sports and Culture, for the poor picture that Portugal had in these sectors during the period of dictatorship.

Coincidentally, Athletic Sport Club was created soon after the introduction of the Salazar regime, and had in its early history problems due to non-alignment of its directors by the pitch of totalitarian government.

This is well described by José Cutileiro in his work on cultural Arraiolos, called "Rich and Poor in the Alentejo, where the social role of Athletic Sport Club is well reflected in society Reguenguense twentieth century.