The plank exercise is great for correcting and/or preventing anterior pelvic tilt because it doesn’t actively engage the hip flexors. Many ab exercises are performed incorrectly, resulting in the hip flexors taking over the movement. This can further increase core weakness, low back pain, and hip flexor tightness, leading to a worse anterior pelvic tilt. The plank engages the abdominal muscles and glutes simultaneously, arguably the best way to learn how to correct an anterior pelvic tilt.