A strength machine designed for exercising the muscles responsible for thigh abduction and adduction. It is also possible to strengthen the buttock muscles. It has an adjustable position of the rollers, which allows it to be adapted to the needs of the exerciser. The stack covers are made of polycarbonate. The load is regulated by means of a magnetic load selector. Upholstery elements have been adapted to the anatomical shapes of the exerciser, which contributes to the comfort and safety of use.