Judged: two independent readers; copy check clear.
effector
effector In this context, an effector is the moving body part, such as a limb, whose biomechanical properties help shape how beat and meter are perceived.
In this context, an effector is the moving body part, such as a limb, whose biomechanical properties help shape how beat and meter are perceived. In body percussion, the effector is also the instrument, because the same body part both moves and produces the sound.