What causes upper back pain and left chest pain around the same area. Steady sharp pain from area left chest to To same distance straight to upper back? Feels like a pinch when I'm moving

Many possible, r/oMI. Various issues can yield left chest pain radiating into the upper back. First you need an EKG to rule out a myocardial infarction, as it can present in the manner you're describing, but is usually, but not always, accompanied by chest heaviness, shortness of breath, sweats, and left arm or neck pain. A chest xray will show wether is it pneumonia or maybe just a sprained pec muscle.