If I then execute 'the same' movement, but without having any present or even imaginary partner in mind, and treat it as 'a set of movements in themselves'; if, that is, I perform a 'ﬂexion' of the forearm in relation to the upper arm, with 'supination' of the arm and 'ﬂexion' of the fingers, my body, which a Goldstein, ber die Abh ngigkeit,.