Highly elevated hips may be caused by sedentary behavior, long-term hip exercises, or anterior pelvic tilt. 1. Sedentary: Long-term non-exercise and maintaining a sedentary state will cause the accumulation of fat tissue in the buttocks locally, which will easily lead to the phenomenon of backward curvature of the buttocks. 2. Hip exercise: often squatting, yoga and other special exercises for the hip muscles can enhance the strength of the hip muscles, so that the hip muscles become thick and strong, thus causing the buttocks to buckle backward performance. 3. Anterior pelvic tilt: lack of exercise, long-term maintenance of incorrect posture will lead to changes in the structure of the pelvis, the pelvis around the gluteal muscles, abdominal muscles and other muscle strength is not balanced, resulting in anterior pelvic tilt, when the buttocks to the rear of the high up, the abdomen protruding symptoms. In conclusion, there are many causes of posterior tilting of the buttocks, therefore, in order to clarify the specific causes and early treatment, it is recommended to go to the hospital in time.