Hack squat TC303 is designed for training leg muscles - the exercise "squat in the simulator". The simulator is necessary for the physical training of athletes of various sports, very effective for training the quadriceps muscle of the thigh - especially its outer area. Forms strong, beautiful legs. The mechanism of articulation of the carriage with guides is assembled on 6 bearings, which exclude any skew and ensure soft sliding. Safety during the exercise is determined by the presence of a stop for the platform and a mechanical platform stopper. Purpose: for the development of the quadriceps muscle of the thigh.