SOLUTION/ CORRECTIVE STRATEGIES:
Avoid sleeping on the involved side. Sleeping on the involved side allows the shoulder to roll forward placing a low load, long duration stretch on the lower trapezius muscle. When the muscle is stretched for prolonged periods, it has difficulty functioning normally. Additionally, he was educated on sitting posture while working on the computer each day.
Find easier/ less demanding positions to strengthen the lower trapezius. A simple strategy includes decreasing the lever arm of the upper extremity or changing the body position. A great starting point is standing against a wall with the arms overhead. In standing, gravity can assist with the movement, decreasing tension placed across the muscle.