Brad and Mike demonstrate how to fix long-term shoulder pain in a week.

Neck and shoulder pain, triggered by poor posture, muscle tension from prolonged sitting, or the strain of daily life, can disrupt sleep, impact mobility, and also lead to headaches.

The causes of shoulder pain may be as common as a traumatic injury or as rare as a systemic inflammatory condition, according to the American Academy of Orthopaedic Surgeons. The combination of joints ...