How to train the basic skills, endurance and physical fitness of free fighting?

Push-ups, sit-ups, horizontal bar and other arm strength training, from shallow to deep, slow but persistent. This is a strength exercise! Physical strength! Have you ever tried to run five thousand meters at a time? Give it a try! Ginny ran as fast as she could. . . . If it is explosive, you can choose to do leg lifts after sprinting.