Sedentary Time Accumulated in Bouts is Positively Associated with Disease Severity in Fibromyalgia: The Al-Ándalus Project

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Thank you to Dr. Victor Segura Jiménez for sharing their paper, “Sedentary Time Accumulated in Bouts is Positively Associated with Disease Severity in Fibromyalgia: The Al-Ándalus Project,” that was recently published in the Journal of Clinical Medicine. A summary of the paper, citation details, and author information are below. The full-text article is available here (open access).


To examine the associations of prolonged sedentary time (ST) with disease severity in women with fibromyalgia, and to analyse the combined association of total ST and prolonged ST with the disease severity in this population. Women (n = 451; 51.3 ± 7.6 years old) with fibromyalgia participated. Sedentary time and moderate-to-vigorous physical activity (MVPA) were measured using triaxial accelerometry and ST was processed into 30- and 60-min bouts. Dimensions of fibromyalgia (function, overall, symptoms) and the overall disease impact were assessed with the Revised Fibromyalgia Impact Questionnaire (FIQR). Body fat percentage was assessed using a bio-impedance analyser, and physical fitness was assessed with the Senior Fitness Tests Battery. Greater percentage of ST in 30-min bouts and 60-min bouts were associated with worse function, overall, symptoms and the overall impact of the disease (all, P < 0.05). Overall, these associations were statistically significant when additionally controlling for MVPA and overall physical fitness. Participants with low levels of total ST and prolonged ST (>60-min bouts) presented lower overall impact compared to participants with high levels of total ST and prolonged ST (mean difference = 6.56; 95% confidence interval (CI) = 1.83 to 11.29, P = 0.002). Greater percentage of ST accumulated in 30- and 60-min bouts and a combination of high levels of total and prolonged ST are related to worse disease severity. Although unable to conclude on causality, results suggest it might be advisable to motivate women with fibromyalgia to break prolonged ST and reduce their total daily ST.


Segura-Jiménez V, Gavilán-Carrera B, Acosta-Manzano P, Cook DB, Estévez-López F, Delgado-Fernández M. Sedentary Time Accumulated in Bouts is Positively Associated with Disease Severity in Fibromyalgia: The Al-Ándalus Project. J Clin Med. 2020;9(3):733. Published 2020 Mar 9. doi:10.3390/jcm9030733

Author information

Víctor Segura-Jiménez,1,2,* Blanca Gavilán-Carrera,3,4,* Pedro Acosta-Manzano,3,4 Dane B Cook,5 Fernando Estévez-López,6 and Manuel Delgado-Fernández3,4

1Department of Physical Education, Faculty of Education Sciences, University of Cádiz, 11519 Cádiz, Spain
2Biomedical Research and Innovation Institute of Cádiz (INiBICA) Research Unit, Puerta del Mar University Hospital University of Cádiz, 11009 Cádiz, Spain
3Department of Physical Education and Sport, Faculty of Sport Sciences, University of Granada, 18071 Granada, Spain;; (M.D.-F.)
4Sport and Health University Research Institute, University of Granada, 18016 Granada, Spain
5Department of Kinesiology, University of Wisconsin-Madison, Madison, WI 53706, USA;
6Department of Child and Adolescent Psychiatry/Psychology, Erasmus MC University Medical Center, PO Box 2040, 3000 CA Rotterdam, The Netherlands
*Correspondence: (V.S.-J.); (B.G.-C.)

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