Human freedom is often characterised as a unique power of self-determination. Accordingly, free human action is often thought to be determined by the agent in some distinctive manner. What is more, this determination is widely assumed to be a kind of efficient-causal determination. In reaction to this efficient-causal-deterministic conception of free human action, this paper argues that if one takes up the understanding of determination and causality that is offered by Anscombe in ‘Causality and Determination’, and moreover takes up an (...) understanding of free human action that is constrained by Anscombe’s account of intentional action in Intention, then an account of free human action as distinctively caused or determined by the agent is untenable. However, the notion of necessitation that Anscombe presents in ‘Causality and Determination’, which implies neither causality nor determination, offers an attractive alternative account. This alternative account pushes us to reconsider the sense in which human freedom is a power of self-determination, and to acknowledge the limits of our control in free action. (shrink)