• Ana Carbonell-Baeza, Virginia A Aparicio, Michael Sjöström, Jonatan R Ruiz, and Manuel Delgado-Fernández.
• Department of Physical Education and Sport, School of Physical Activity and Sports Sciences, University of Granada, Spain. anellba@ugr.es
• Pain Med. 2011 Nov 1;12(11):1667-75.

ObjectiveTo examine the association between pain and functional capacity levels.Design[corrected] Cross-sectional study.SettingUniversity of Granada.SubjectsOne hundred twenty-three women with fibromyalgia (51.7 ± 7.2 years).Outcome MeasuresWe measured weight and height, and body mass index (BMI) was calculated. We assessed tender points by pressure pain and functional capacity by means of the 30-second chair stand, handgrip strength, chair sit and reach, back scratch, blind flamingo, 8-ft up and go and 6-minute walk tests.ResultsWe observed an association of tender points count with the chair stand and 6-minute walk tests (r = -0.273, P = 0.004 and r = -0.183, P = 0.046, respectively). These associations became nonsignificant once the analyses were adjusted by weight or BMI. We observed an association of algometer score with the back scratch, chair stand, and 6-minute walk tests (r = 0.238, P = 0.009; r = 0.363, P < 0.001; and r = 0.186, P = 0.043, respectively), which remained after adjusting for weight or BMI, except the association between algometer score and the 6-minute walk test that became nonsignificant once the analyses were adjusted by weight. Prevalence of overweight and obesity was 39.2 and 33.3%, respectively.ConclusionsThere is an inverse association of tender points count with the chair stand and distance walked in the 6-minute walk tests, and a positive association of algometer score with the chair stand, distance walked in the 6-minute walk and back scratch tests, yet, weight status seems to play a role in these associations.Wiley Periodicals, Inc.

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