This paper reviews ongoing research initiated by the Norwegian Researc
h Council for Science and Humanities aimed at improving Health and Liv
ing Conditions (HEMIL). Attempts to classify muscle pain states are re
viewed, and the pathophysiology and psychophysiology of the condition
are evaluated. The psychological aspects are emphasized, in particular
relationships to coping resources, coping strategies and to what exte
nt the individual feels able to cope with the environment. Also review
ed are multidisciplinary approaches to treatment, aimed at both psycho
logical and physical aspects. Interventions involving physical as well
as psychological training seem to have the best effects. The contribu
tion from physical load is moderate, except for static muscle work. Th
ere is a growing concern that the response from the welfare society ma
y produce attitudes that are counterproductive for prevention and trea
tment. Do we over-react and impose disease concepts on regular complai
nts that may be a part of normal life?