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The Archives of Bone and Joint Surgery، جلد ۷، شماره ۴، صفحات ۰-۰
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عنوان انگلیسی Immediate Effects of Lumbosacral Orthosis on Postural Stability in Patients with Low Back Pain: A Preliminary Study
چکیده انگلیسی مقاله Background: Lumbosacral orthoses (LSO) are commonly used for treating back pain. Their clinical and mechanical effectiveness has been repeatedly investigated in several studies; however, their sensorimotor effectiveness is rarely considered. Therefore, the aim of this study was to investigate the effect of a non-extensible LSO on postural stability (As a construct of sensorimotor function) in patients with non-specific, chronic low back pain. Methods: This study was a preliminary investigation which adopted a single group quasi-experimental design. Seventeen patients with non-specific, chronic low back pain were included. Postural stability was measured with participants in a quiet standing position, under combined conditions of base of support (rigid and foam surface), visual (open-eyes and closed eyes), and lumbosacral orthosis (with and without orthosis). Results: Our findings demonstrated that wearing the orthosis during the most challenging postural task (blindfolded while standing on a foam surface) reduced the postural sway parameters related to position and displacement of the center of pressure (COP), i.e., the sway area and sway amplitude in the anteroposterior direction (P< 0.001). However, it had no significant effect on COP velocity. Conclusion: The findings obtained from the present study showed that the wearing a non-extensible LSO decreased the COP displacement and did not affect the COP velocity. Therefore our finding could not utterly support effectiveness of non-extensible LSO in terms of postural stability (as a construct of sensorimotor function). Given postural control is an appropriate indicator for assessing the global functioning of the sensorimotor system due to its dependence upon the interaction between the neural and musculoskeletal systems, further studies are needed to elucidate which aspect of sensorimotor function can be enhanced by LSO.
کلیدواژه‌های انگلیسی مقاله Postural balance, orthotic device, Low back pain
نویسندگان مقاله | Fatemeh Azadinia
Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran


| Ismail Ebrahimi-Takamjani
Department of Physical therapy, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran


| Mojtaba Kamyab
Department of Orthotics and Prosthetics, School of Rehabilitation Sciences, Iran University of Medical Sciences, Tehran, Iran


| Morteza Asgari
Department of Mechanical Engineering, Sharif University of technology, Tehran, Iran.


| Mohamad Parnianpour
Biomechanics Laboratory, Department of Mechanical Engineering, Sharif University of Technology, Tehran, Iran.
نشانی اینترنتی http://abjs.mums.ac.ir/article_12504.html
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/328/article-328-1668100.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده RESEARCH PAPER
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