Anterior pelvic tilt can cause a belly because the pelvis tipping forward makes the lower back arch excessively, pushing the stomach outward and weakening the lower abdominal and glute muscles while tightening the hip flexors and lower back muscles. Pulling the knees to the chest every night for thirty seconds helps stretch the tight hip flexors and lower back while activating the deep core muscles that support a neutral pelvis. Over time this simple movement can help the hips level out, allowin