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EUROPEAN JOURNAL OF PHYSICAL AND REHABILITATION MEDICINE
A Journal on Physical Medicine and Rehabilitation after Pathological Events
Official Journal of the , , , ,
In association with
Indexed/Abstracted in: CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 2,063
European Journal of Physical and Rehabilitation Medicine 2015 April;51(2):149-54
Postural control and balance self-efficacy in women with fibromyalgia: are there differences?
Muto L. H. A., Sauer J. F., Yuan S. L. K., Sousa A., Mango P. C., Marques A. P. ✉
Department of Physical Therapy, Speech Therapy and Occupational Therapy, School of Medicine of the University of Sao Paulo, Sao Paulo, Brazil
BACKGROUND: Fibromyalgia (FM) is a rheumatic disease characterized by chronic widespread pain and symptoms such as fatigue, sleep disturbances, cognitive difficulties, and depression. Postural instability is a debilitating disorder increasingly recognized as part of FM.
OBJECTIVE: To assess and compare postural control and balance self-efficacy in women with and without FM and verify the association of these variables with pain, symptom severity, and strength.
DESIGN: Case-control study
SETTING: Physiotherapeutic Clinical Research and Electromyography Laboratory Department of Physical Therapy, Speech Therapy, and Occupational Therapy, School of Medicine, University of Sao Paulo, Sao Paulo, Brazil.
POPULATION: Case-control study of 117 women ranging from age 35 to 60 years. Of these, 67 had FM.
METHODS: Posture control was assessed with the modified clinical test of sensory interaction on balance with patients in forceplates, balance self-efficacy with the Activities-specific Balance Confidence Scale, pain severity with the Visual Analog Scale, tender point pain threshold with digital algometry, symptom severity with the fibromyalgia impact questionnaire, and lower limb strength with a dynamometer.
RESULTS: Individuals with FM had impaired postural control showing increased speed of oscillation of the center of gravity (P=0.004) and decreased balance self-efficacy (P<0.001). They had moderate to excellent correlations of balance self-efficacy with pain (r=0.7, P<0.01), muscle strength (r=0.52, P<0.01), and symptom severity (r=0.78, P<0.10) compared with the control group. Correlation of postural control with the same variables was weak.
CONCLUSIONS: Patients with FM have impaired postural control and low balance self-efficacy that are associated with pain, muscle strength, and symptom severity.
CLINICAL REHABILITATION IMPACT: Postural control and balance self-efficacy needs to be assessed in patients with FM and the treatment goals should be the improvement of postural control and balance self-efficacy.