Electrode for muscle stimulation

A set of electrode pieces for muscle stimulation, to be used in conjunction with a splint, said kit of parts comprising: a carrier (4) electrode subject to an internal surface of said tablet and consisting of a flexible member and relatively thin similar to a tray; a member (6) of thin flexible subject electrode fixedly to said electrode holder, and a member (12) insert for skin contact, consisting of a piece of absorbing material means mounted in a frame (24 ) for stiffening that can be attached to and removed from said carrier electrode.