For musculoskeletal pain, the following paper describes the standarized Nordic scales.

Kuorinka, I., et al. (1987). "Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms." Applied Ergonomics 18(3): 233-237.

Another source on MSD measures is:

Descatha, A., et al. (2007). "Validity of Nordic-style questionnaires in the surveillance of upper-limb work-related musculoskeletal disorders." Scandinavian Journal of Work, Environment & Health 33(1): 58-65.

which can be found here:

http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2980505/