In: Lueder, R (1996) A Proposed RULA for Computer Users. Proceedings of the Ergonomics Summer Workshop, UC Berkeley Center for Occupational & Environmental Health Continuing Education Program, San Francisco, August 8-9, 1996.
Maximum Wrist Score = 6 points.
For asymmetrical postures, ratings are conducted for each side independently.
+ 1 = Wrist bent away from mid-line (ulnar / radial).
+ 1 = Wrist neutral OR exhibits mid-range of twist.
+ 2 = Wrist twisted at / near maximum of range.
If keyboard is unstable OR keyboard wobbles OR keyboard is on an uneven platform = + 1 point.)