An arm support, comprising an arm supporting element, connected via a connecting device with a lift device, wherein the arm supporting element has a longitudinal direction between a front end and a rear end and is connected via a tilting axis (E) with the connecting device, which tilting axis (E), in top plan view, is situated between the front end and the rear end, wherein the lift device comprises compensation means for bearing the weight of the arm support and a load borne thereon, in particular an arm of a user.