Timestamps: 0:00 Start 0:58 Exercise 1: Sidelying Shoulder External Rotation 3:09 Exercise 2: Rotating the shoulder with the arm at elbow height 5:22 Exercise 3: Scaption arm lowering phase 7:07 Exercise 4: Scaption arm raising phase 8:25 Conclusion In this video, we are going to teach you the four most common mistakes...

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