Method and device for training pelvic floor muscles in order to cure orprevent urinary of faecal incontinence. The device comprises a probe (10)having a pressure sensor (22) and a vibrator (19, 20), and a microprocessor(33) connected with the sensor and the vibrator. Initially, the probe isinserted into a person's vagina or rectum and the highest force that can beapplied by the person contracting the pelvic floor muscles is ascertained andregistered. The contraction of the pelvic floor muscles is repeated atintervals, and the force applied by the pelvic floor muscles at eachcontraction is ascertained and compared with the registered highest value. Thevibrator is activated at each contraction of the pelvic floor muscles only ifthe force has a predetermined relationship to the registered value, and onlyfor a predetermined period as long as the predetermined relationship ismaintained.
