Quick Answer: Desk-related back and shoulder pain is rarely just a posture problem. It's caused by layered structural dysfunction — compressed spinal joints, overloaded neck muscles, and restricted shoulder tissue — that stretching and painkillers can't resolve. At Marques Therapy , located at 88 Southwark Bridge Rd, London SE1, sports therapist Sosthenes Marques uses clinical assessment and precision hands-on treatment to identify and fix the root cause — not just the sympt