If you sit for long hours and your lower back feels tight, compressed, or achy, this 3-step routine will help you decompress your spine, restore mobility, and rebuild deep core stability. These evidence-based exercises target the key causes of back pain, weak deep core muscles, limited thoracic rotation, and poor hip hinge mechanics. You’ll start with the Side-Lying Open Book with Breathing to release thoracic stiffness and improve rotation through your mid-back instead of overloading your lumba