Sit on a stability ball and walk feet forward until upper back is supported, forming a bridge position with knees bent at 90 degrees and feet flat on floor.

1. Engage core and lift hips to align body straight from shoulders to knees.
2. Extend arms straight in front of chest with palms together.
3. Slowly twist torso to one side, rotating through stomach and shoulders while keeping arms straight.
4. Pause briefly at end of twist, squeezing obliques.
5. Reverse motion to return to center position.
6. Alternate to opposite side.
7. Maintain elevated hips and straight back throughout.