No. 9: “running bike”
Effectively pumps not only the press but also the muscles of the arms, back, and cortex.
Take an emphasis on lying down so that the palms are under the shoulder joints. Make sure that the body is stretched in one line. Bend the leg, pull the leg to the elbow from the outside, and return back. Repeat for the other leg. You need to perform the exercise rhythmically, maintaining a given pace.
To have a flat stomach, it is important to establish a diet and in no case starve. Otherwise, this will lead to a slowdown in metabolism, and fat will accumulate more actively.