A muscle activity training facility includes a monitor (12) electrically connected to a processor (11) and having a screen (15), the screen (15) includes two areas (16, 17), and two figures (18, 19) in one of the areas (16) for indicating the standard operations of the muscle groups in front and rear portions of the user, and two further figures (20, 21) in the other area (17) for indicating the muscle groups in the front and the rear portions of the user, a carrier (30) is attached to the user, and a number of electrodes (32-38) are attached to the carrier (30) and coupled to the processor (11) for detecting the activities of the muscle groups and for showing the detected activities in the other figures (20,. 21) of the screen (15).
