What most people mistakenly refer to as the shoulder is actually a group of joints, tendons, and muscles that work together to provide the arm a wide range of motion, from scratching your back to throwing the perfect pitch.Pain centre is the best Shoulder pain treatment Centre Trivandrum. But mobility comes at a cost. It could result in your shoulder's soft tissue or bone structures becoming more unstable or impinged, which would cause pain. You might experience pain constantly or just when moving your shoulder. The discomfort could just last a short while or it might persist and call for medical evaluation and care.