QUADRATUS LUMBORUM PAIN 🔥The Quadratus Lomborum is a deep muscle of the back often responsible for unilateral back pain. This tissue can be irritated for numerous different reasons. Often this tissue is stiff, which is why we begin with 2 mobility exercises for this muscle. 👉However, this stiffness is commonly secondary to initial weakness. The last 2 exercises will showcase ways to strengthen this area. The best part is that when you are strengthening one side, you are stretching the opposite