Slowly lean your torso backward until you feel your lower abs engage. Lift your feet off the floor, or rest them on the ground if that's too hard. Try not to round your back.
Place your arms out in front to help you stay balanced on your sitz bones.
Keeping your core strong, slowly twist your torso to the right, touching your hands to the ground. The movement is not large and comes from your torso rotating, not from your arms swinging.
Slowly rotate your torso back to center and twist to the left, touching your hands to the ground.