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 Layers of Your Back Muscles: A Complex System 💪 Your back muscles are organized into several layers, each serving an important function. The outermost, or superficial layer, includes muscles like the trapezius and latissimus dorsi, which are responsible for moving the shoulders and arms. Beneath these are the intermediate and deep layers, such as the erector spinae and transversospinalis muscles, which play crucial roles in stabilizing the spine and maintaining posture. Together, these m