Disability,kinesiophobia, perceived stress,and pain are not associated with trunk muscle strength or aerobic capacity in chronic nonspecific low back pain |
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| Affiliation: | 1. REVAL - Rehabilitation Research Center, Faculty of Rehabilitation Sciences, Hasselt University, Hasselt, Belgium;2. Department of Rehabilitation Sciences and Physiotherapy, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium;1. Facultad de Fisioterapia y Enfermería, Departamento de Enfermería, Universidad de Castilla la Mancha, Toledo, Spain;2. Facultad de Enfermería, Fisioterapia y Podología, Universidad Complutense de Madrid, Spain;3. Faculty of Health Sciences, Universidad Rey Juan Carlos, Spain;4. Premium Madrid, Spain;5. Research, Health and Podiatry Group, Department of Health Sciences, Faculty of Nursing and Podiatry, Universidade da Coruña, Ferrol, Spain;1. Department of Orthopaedic Surgery, Tohoku University School of Medicine, 1-1 Seiryo-machi, Aoba-ku, Sendai, 980-8574, Japan;2. Department of Medicine and Science in Sports and Exercise, Tohoku University School of Medicine, 2-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan;3. Department of Nursing, Faculty of Health Science, Tohoku Fukushi University, 1-8-1 Kunimi, Aoba-ku, Sendai, 981-8522, Japan;4. Division of Biomedical Engineering for Health and Welfare, Tohoku University Graduate School of Biomedical Engineering, 2-1 Seiryo-machi, Aoba-ku, Sendai, 980-8575, Japan;1. Pain Research Group, Pain Centre South, Odense University Hospital, Odense, Denmark;2. Department of Clinical Research, Faculty of Health Sciences, University of Southern Denmark, Odense, Denmark;3. School of Physiotherapy, University College Lillebaelt, Odense, Denmark;4. Centre for Neuroplasticity and Pain, SMI, Department of Health Science and Technology, Faculty of Medicine, Aalborg University, Aalborg, Denmark;1. 206A Charles Wethington Building, University of Kentucky, 900 South Limestone Street, Lexington, KY, 40536, USA;2. 214 Charles Wethington Building, University of Kentucky, 900 South Limestone Street, Lexington, KY, 40536, USA;3. 206B Charles Wethington Building, University of Kentucky, 900 South Limestone Street, Lexington, KY, 40536, USA;4. 9201 University City Blvd, Department of Public Health Sciences, University of North Carolina at Charlotte, USA;5. 206C Charles Wethington Building, University of Kentucky, 900 South Limestone Street, Lexington, KY, 40536, USA;1. Eastern Health Authority, St. John''s, Newfoundland and Labrador, Canada;2. Recovery and Performance Laboratory, Physical Medicine & Rehabilitation, Faculty of Medicine, Memorial University of Newfoundland, St. John''s, Newfoundland and Labrador, Canada;3. School of Human Kinetics and Recreation, Memorial University of Newfoundland, St. John''s, Newfoundland and Labrador, Canada |
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| Abstract: | ObjectivesTo investigate to which extent disability, psychological and pain-related factors are associated with the outcomes of an isometric trunk muscle strength test and a cardiopulmonary exercise test in persons with chronic nonspecific low back pain (CNSLBP).DesignCross-sectional study.SettingREVAL Rehabilitation Research Center (Hasselt, Belgium).ParticipantsPersons with CNSLBP.Main outcome measuresQuestionnaires concerning disability, patient specific functioning, kinesiophobia, perceived stress, pain intensity, and central sensitization were recorded. Outcomes of an isometric trunk strength test (maximum back and abdominal torque) and cardiopulmonary exercise test (VO2max) were assessed. Multivariate linear regression models determined factors explaining outcome variance.ResultsData of 101 persons (39 males, mean age: 44.2y (SD = 9.6)) was assessed. Neither disability, nor psychological, nor pain-related factors were associated with the assessments. Variance in back muscle strength (R2 = 0.44, F = p < 0.01), abdominal muscle strength (R2 = 0.68, F = p < 0.01), and aerobic capacity (R2 = 0.76, F = p < 0.01) could only be explained through the included demographics covariates (age, gender, weight).ConclusionThis study highlighted the lack of biopsychosocial factors in explaining variance in outcomes of abdominal and back strength, and aerobic capacity in persons with CNSLBP with characteristics as depicted in the current sample. This information supports the valid interpretation of the outcomes of these assessments. |
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| Keywords: | Chronic low back pain Physical fitness Assessment Rehabilitation |
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