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The Archives of Bone and Joint Surgery، جلد ۷، شماره ۱، صفحات ۰-۰
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عنوان انگلیسی Comparison of Postural Balance Between Subgroups of Nonspecific Low-Back Pain Patients Based on O'Sullivan Classification System and Normal Subjects During Lifting
چکیده انگلیسی مقاله Objective: The purpose of the present study was to compare postural control between subgroups of chronic nonspecific low-back pain (LBP) and healthy subjects during lifting. Methods: In this cross-sectional study, 35 men with chronic LBP (19 active extension pattern [AEP] and 16 flexion pattern [FP]) and 15 healthy controls were enrolled. Pooled LBP was subdivided based on the O'Sullivan's classification system (OCS). The participants were asked to lift a box from the ground to the waist level and hold it for 20 seconds. The load was 10% of the subject's weight. Force plate system was used to record balance parameters, including standard deviations (SDs) of center of pressure (COP) amplitude and COP velocity in anterior-posterior and medial-lateral directions and mean total velocity. The test was divided into two phases of static and dynamic. Data were analyzed using one-way analysis of variance and independent t-test. Results: There were no significant differences between pooled LBP and control groups in any of the variables, except for the SD of the anterior-posterior direction velocity in the X-plane in the static phase (P=0.017). After classifying LBP, the results showed that the healthy and AEP groups were significantly different in SD of COP velocity in the frontal plane (P< 0.05), mean total velocity (P< 0.05), and SD of COP velocity in the sagittal plane (P< 0.05). Conclusion: The present study showed that postural control was not different between the pooled LBP and normal groups. Classifying pooled LBP based on OCS, we found that the AEP showed different postural control as compared to healthy controls in the dynamic phase. The FP and AEP exhibited different postural control relative to the healthy controls in the static phase, and COP velocity was lower in those groups compared to the control group. The results of this study support the concept of LBP classification.
کلیدواژه‌های انگلیسی مقاله classification, Lifting, Postural balance, Low back pain
نویسندگان مقاله | javad Sarrafzadeh
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences.


| Majid Shahbazi Moheb Seraj
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences


| Nader Maroufi
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences.


| Ismail Ebrahimi Takamjani
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences.


| Amir Ahmadi
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences.


| Hossein Negahban
Department of Physical Therapy, School of Paramedical Sciences, Mashhad University of Medical Sciences, Mashhad, Iran.
نشانی اینترنتی http://abjs.mums.ac.ir/article_11660.html
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/328/article-328-1153741.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده RESEARCH PAPER
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