Certain physical quality, skills and safety awareness. Flip requires high physical fitness and flexibility, and needs to be in good physical condition, without serious medical history and sports taboos. Flip training classes are usually grouped according to the technical level of the students, so it is necessary to master some basic skills such as somersault, jumping and turning, and have a certain understanding of sports venues and equipment. Overturning is a high-risk sport, and it is necessary to abide by professional safety norms and operating procedures during training to ensure the safety of yourself and others. Flip is an extreme sport, which requires certain physical fitness, skills and safety awareness.