What Causes a Stiff Back and How Do You Treat It?

Shoulder pain, tightness, stiffness, or that constant “knotted” feeling? You’re not imagining it this kind of discomfort is often caused by trigger points, which are small, irritated bundles of muscle fibers that become tight due to stress, poor posture, overuse, or long hours at a desk or phone. These trigger points restrict blood flow, trap waste products in the muscle, and create deep, stubborn pain that doesn’t go away with simple stretching or rest. ✨ Dry Needling is a highly effective tech

Understanding Material Strength, Ductility and Toughness | The Efficient Engineer