1. Neck and shoulder pain related to computer use
Zhiyong Ming, Matti Närhi, Jouko Siivola 
Pathophysiology 
Volume 11, Issue 1, Pages (July 2004)
DOI: /j.pathophys

2. Fig. 1
(A) Illustration of poor posture (awkward arm and neck positions, kyphosis, flat low back). (B) Illustration of ergonomic posture for computer users. It is recommended that the posture for computer users should be: Top of monitor at or just below eye level; Shoulder relaxed; Elbows close to body; Arm supported and; Wrists and hands in-line with forearms (the load in shoulder area lowers with lowering of the forearms and hands) and feet flat on the floor.
Pathophysiology  , 51-56DOI: ( /j.pathophys )

3. Fig. 2
The ergonomic arm support alleviates the load in the neck and shoulder area (e.g. Ergorest).
Pathophysiology  , 51-56DOI: ( /j.pathophys )