💪 Back Muscles in Focus 💪 Explore the detailed anatomy of key upper back muscles: Deltoid: The shoulder’s main mover, allowing you to lift and rotate your arm. Rhomboids: Support shoulder stability and proper posture by retracting the scapula. Infraspinatus: Part of the rotator cuff, crucial for arm rotation and joint stability. Levator Scapulae: Elevates the scapula and supports neck movements. These muscles provide strength, flexibility, and control for daily motion and athletic performance.