• Marta San-Antolín, David Rodríguez-Sanz, Ricardo Becerro-de-Bengoa-Vallejo, Marta Elena Losa-Iglesias, Israel Casado-Hernández, Daniel López-López, and César Calvo-Lobo.
• Department of Psychology, Universidad Europea de Madrid, Villaviciosa de Odón, Madrid, Spain.
• Pain Med. 2020 Aug 1; 21 (8): 1616-1625.

ObjectiveTo compare central sensitization symptoms, presence of central sensitivity syndrome (CSS), catastrophism, rumination, magnification, and helplessness symptoms between athletes with gastrocnemius myofascial pain and healthy athletes. Furthermore, to predict central sensitization symptoms based on sociodemographic and descriptive data, catastrophism features, and presence of gastrocnemius myofascial pain in athletes.DesignCase-control study.SettingOutpatient clinic.SubjectsFifty matched paired athletes were recruited and divided into patients with chronic (more than three months) gastrocnemius myofascial pain (N = 25) and healthy subjects (N = 25).MethodsCentral sensitization symptoms and CSS presence (≥40 points) were determined by the Central Sensitization Questionnaire (CSQ). Catastrophism symptoms and rumination, magnification, and helplessness domains were measured by the Pain Catastrophizing Scale (PCS). Statistical significance was set at P < 0.01 for a 99% confidence interval.ResultsStatistically significant differences (P ≤ 0.001) with a large effect size (d = 1.05-1.19) were shown for higher CSQ scores and PCS total and domain scores in athletes with gastrocnemius myofascial pain vs healthy athletes. Nevertheless, CSS presence (CSQ ≥ 40 points) did not show statistically significant differences (P = 0.050) between groups. A linear regression model (R2 = 0.560, P < 0.01) predicted higher CSQ scores based on PCS total score (R2 = 0.390), female sex (R2 = 0.095), and myofascial pain presence (R2 = 0.075).ConclusionsGreater symptoms of central sensitization, catastrophism, rumination, magnification, and helplessness were shown in athletes with gastrocnemius myofascial pain compared with healthy athletes. Nevertheless, there was not a statistically significant presence of CSS comparing both groups. Greater central sensitization symptoms were predicted by catastrophism symptoms, female sex, and presence of gastrocnemius myofascial pain in athletes.© 2019 American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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