Myo – fit 4 has 39 pre-set programs for treating 7 different body areas: sport fitness aesthetics vascular massage pain and rehabilitation. it is ideal for improving your performances the muscles tone and strength and the body shape. it includes specific programmes for shaping your figure reducing strain and relieving pain. myo fit 4 2+2 function allows using 2 different programs at the same time in order to train 2 different groups of muscles simultaneously.