The Open Book exercise is a mobility movement designed to improve thoracic spine rotation and stretch the chest.
- Lie on your side with your knees and hips bent at 90 degrees (fetal position).
- Extend both arms straight out in front of you, stacking your palms together.
- Keeping your knees glued together and firmly on the floor, lift your top arm and rotate it up and over to the other side.
- Follow your moving hand with your gaze, allowing your upper back to rotate.
- Try to touch your shoulder to the floor on the opposite side while keeping your hips stationary.
- Hold for a second at the end range, then slowly return to the starting position.