A strength machine designed to exercise the chest muscles. The supporting muscles are the extensors of the arm and the front part of the deltoid muscles. The structure of the device is made of a flat-oval section with dimensions of 125x60x3. The stack covers are made of sheet metal. The machine has a 9-step pneumatic seat position adjustment. The applied pneumatic actuators allow for easy adjustment of the elements by the exerciser without having to leave the device. . 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.