This exercise strengthens your trunk and thighs, helping you maintain a healthy lower back posture during your pregnancy.

1. Place your feet 10 to 12 inches (25 to 30 centimeters) from the wall.
2. Rest your back flat against the wall and slide down the wall until your knees are slightly bent.
3. Press your lower back against the wall by pulling in your stomach muscles.
4. Hold for 6 seconds, and then relax your stomach muscles and slide back up the wall.
5. Repeat 8 to 12 times.