How to Train Without Pain (Back, Shoulders, Mobility & Strength) | Dr. John Rusin

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In this episode, my guest is Dr. John Rusin, a physical therapist and strength coach who bridges rehabilitation and human performance. We discuss his approach to persistent back, shoulder, and knee pain and how to build a body that can handle demanding training for the long term. John walks through his six-phase warm-up, a 10–12-minute sequence that combines foam rolling, stretching, corrective exercises, activation, movement practice, and explosive drills. He explains why breathing matters during soft tissue work, how mobility differs from flexibility, and why feeling tight doesn't necessarily mean you just need more stretching. We cover simple movement breaks for desk workers, detailed…