Having identified the cases in which action is not voluntary, Ar. finishes this chapter by telling us what voluntary action is: it is those actions which are initially caused by us (find their origin in us) and in which we are aware of the particulars of the situation. He also argues that even actions caused by non-rational desires are in a sense voluntary.

1111a22-1111b3 So, given that counter voluntary...to count these things as counter-voluntary.