If you want to practice sexy abdominal muscles or lines such as vest line, mermaid line and abdominal muscles, you only need to practice more, and there are not many other tricks. The following 9 exercises will teach you how to practice vest line. See the following 9 movements for details: 1, vest line practice movement 1: leaning forward with one leg upright; vest line practice movement 2; Freehand squat 3, vest line practice action 3: prone alternately lift knees 4, vest line practice action 4: straight arm prone bend arm prone 5, vest line practice action 5: kneeling posture, opposite hands and feet up 6, vest line practice action 6: bend elbows sideways, hips up 7, vest line practice action 7: supine feet, knees up, half-length up 8, vest line practice action 8: supine.