The Band Pull Apart  is one of the best exercises for improving posture, shoulder mobility, and upper-back strength. It stretches the chest, activates the upper back, and helps reverse the rounded-shoulder position many people develop from sitting or pressing movements. Whether used as a warm-up, stretch, or activation drill, this movement is simple and incredibly effective. 🎥 How to Perform the Band Pull Apart 💪 Muscles Stretched & Activated in the Band Pull Apart Rear del