A strength machine designed to exercise the muscles of the buttocks. The device has a 6-stage angle adjustment of the arm (used in rehabilitation) and a 2-stage roller adjustment. There is a two-color system in the control elements, of which yellow means pulling the element and orange – pressing. The structure of the machine is made of a flat oval section with dimensions of 125x60x3. The stack covers are made of profiled sheet metal. The stack is equipped with a magnetic load selector. The upholstery elements have been adapted to the anatomical shapes of the exerciser, which contributes to the comfort and safety of use. An additional advantage is the unique BWT load transfer system, which protects against injuries resulting from muscle overload, and also ensures an increase in the effects of the exercise up to 30%.