Trunk Twist: Improve Waist Flexibility
Rotational Core Blueprint: Why Trunk Twists Unlock Waist Flexibility Waist flexibility improves when your thoracic spine rotates well. Trunk twists train that rotation safely. I tested this for eight weeks with clients and my own training. Everyone moved easier. Key principles:– Thoracic spine should rotate most. The lumbar spine prefers stability.– Obliques and deep core…