A training machine 10 is for training the muscles of an upper body of a training person M sitting on a seat unit 50 provided in a machine main body, and is provided with an arm unit 60 disposed in the vicinity of the left and right sides of the seat unit 50, having a specified length and capable of making rotational movements against a specified load. The arm unit 60 has the bottom end thereof rotatably supported about shaft tubes 62 extending in horizontal transverse direction and has such a curved shape that a middle part thereof bulges out forward, and the leading end portions thereof serve as grips 611, 612. An electrical load generating unit 80 is provided to electrically give a load in accordance with an external force exerted to the arm unit 60, and locks the rotation of the arm unit 60 at a position where the portions of the arm unit 60 in the vicinity of the leading ends thereof are substantially horizontally held.