Symptoms in women with fibromyalgia after performing physical activity: the role of pain catastrophizing and disease impact.

"Declarations Ethics approvalAll procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Bioethics Committee of Rey Juan Carlos University (Reference PI17/00858). Consent to participateInformed consent was obtained from all individual participants included in the study. DisclosuresNone. Disclosures None."

"Funding Open Access funding provided thanks to the CRUE-CSIC agreement with Springer Nature. This work was funded by the Health Research Fund (Fondo de Investigación en Salud, grant number PI17/00858) from the Instituto de Salud Carlos III (Spain), co-financed by the European Union through the Fondo Europeo de Desarrollo Regional (FEDER)."