Advanced stage. According to the information of the keep platform, the difficulty of plastic surgery training is mainly divided into three levels: primary, advanced and challenging. So in keep, the second difficulty of plastic surgery training is the advanced stage. In the advanced difficult plastic training, the difficulty and complexity of movements will be higher, and the requirements for physical coordination and balance will be higher. Common advanced training programs include push-ups, sit-ups, flat support, etc. These movements need more strength and endurance, and have higher requirements for the body.