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Altered balance is a common and debilitating symptom of fibromyalgia. Previous studies have investigated balance under single-task conditions that do not reflect real-life situations. The present study evaluated the impact of a simultaneous cell-phone conversation on balance performance in a case-control cohort from Spain. <jats:italic>Methods<\/jats:italic>. A cross-sectional case-control study was performed in 34 women recruited from local self-help organizations and university facilities (<jats:italic>n<\/jats:italic>\u2009=\u200918 fibromyalgia cases; <jats:italic>n<\/jats:italic>\u2009=\u200916 healthy, pain-free controls). Participants performed the 30\u2009s postural stability test, as implemented in the Biodex Balance System, under two conditions: (a) as a single task and (b) as a dual task, i.e., while holding a simultaneous cell-phone conversation with a technician. Intergroup differences in dual task costs were calculated. <jats:italic>Findings<\/jats:italic>. Compared with controls, women with fibromyalgia showed higher dual-task costs in balance variables, such as overall sway (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M1\"><mml:mi>p<\/mml:mi><\/mml:math><jats:italic>p<\/jats:italic> value\u2009=\u20090.039) and anterior\/posterior sway (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M2\"><mml:mi>p<\/mml:mi><\/mml:math> value\u2009=\u20090.007). In the dual-task condition, overall (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M3\"><mml:mi>p<\/mml:mi><\/mml:math> value\u2009=\u20090.004) and anterior\/posterior (<mml:math xmlns:mml=\"http:\/\/www.w3.org\/1998\/Math\/MathML\" id=\"M4\"><mml:mi>p<\/mml:mi><\/mml:math> value\u2009=\u20090.012) sway indices significantly decreased in women with fibromyalgia but not in controls. <jats:italic>Interpretation<\/jats:italic>. In women with fibromyalgia, balance performance was adversely impacted by the holding of a simultaneous cell-phone conversation. The inability to conduct two tasks simultaneously may be related to reduced attention and may increase the risk of falling in this population.<\/jats:p>","DOI":"10.1155\/2019\/5132802","type":"journal-article","created":{"date-parts":[[2019,11,11]],"date-time":"2019-11-11T18:32:51Z","timestamp":1573497171000},"page":"1-6","source":"Crossref","is-referenced-by-count":14,"title":["Influence of a Cell-Phone Conversation on Balance Performance in Women with Fibromyalgia: A Cross-Sectional Descriptive Study"],"prefix":"10.1155","volume":"2019","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0784-1753","authenticated-orcid":true,"given":"Santos","family":"Villafaina","sequence":"first","affiliation":[{"name":"Physical Activity and Quality of Life Research Group (AFYCAV), Faculty of Sport Science, University of Extremadura, C\u00e1ceres, Spain"},{"name":"EXERNET Research Network on Exercise and Health in Special Populations, 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