Use this quick guide to understand the 3 major muscle groups in the lower back that support posture, stability, and spinal movement. Learn how the erector spinae, multifidus, and quadratus lumborum work together—and how tight or weak lower back muscles can lead to pain or injury. Whether you're dealing with chronic back pain, starting a core strengthening routine, or want to avoid future issues, this video breaks it down simply. | Spine-health

💪 The Back Muscles: Layers of Strength 💪 Your back is a powerhouse of interconnected muscles, providing movement, posture, and stability: 🔹 Superficial Muscles: Trapezius: Moves the shoulder blades and supports the arms. Latissimus Dorsi: Aids in extending, adducting, and rotating the arm. 🔹 Intermediate Muscles: Rhomboids: Stabilize and retract the scapula. Levator Scapulae: Elevates the shoulder blade and supports neck movements. 🔹 Deep Muscles: Erector Spinae: Helps maintain posture and