Methods and systems are provided for an armboard adjustment assembly for a patient support table. In one embodiment, an armboard adjustment assembly is configured to retain a rotational position of an armboard of a patient support table via a plurality of one-way clutches, and in another embodiment the armboard adjustment assembly is configured to retain the rotational position of the armboard via a pair of friction pads. In this way, the armboard may be moved into a continuous plurality of positions between a fully lowered position and a fully raised position.