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The Archives of Bone and Joint Surgery، جلد ۶، شماره ۶، صفحات ۰-۰
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عنوان انگلیسی The Ratio of Lumbar to Hip Motion during the Trunk Flexion in Patients with Mechanical Chronic Low Back Pain According to O’Sullivan Classification System: A Cross-sectional Study
چکیده انگلیسی مقاله The focus of the current study was to compare the posture and compensatory strategy of hip and lumbar during trunk flexion between LBP subgroups; active extension pattern (AEP) and flexion pattern (FP), and health subjects. This work was a cross-sectional study involving 72 men, 21 low back pain patients with FP and 31 low back pain patients with AEP and 20 healthy groups. Lumbar and hip angle during trunk flexion were measured by a 3D motion analysis system in neutral standing posture and end-range of trunk flexion. Hip and lumbar ranges of motion were divided into four quartiles (Q) and then compared between groups. Data were analyzed using one-way analysis of variance (ANOVA) and independent t-test. There was the statistically significant difference in hip angle while full trunk flexion between the healthy group with heterogeneous LBP group. The difference between the healthy group with FP group in hip angle while full trunk flexion was statistically significant (p < 0.05). In the second Q, there was no significant difference between the healthy group and heterogeneous LBP group (p=0.062), but there was a difference between FP group and healthy group in the fourth Q of the total hip range of motion. There was no statistically difference between the healthy group and heterogeneous LBP group (p=0.054) but there was a difference between FP group and the healthy group. Lumbar/hip motion ratio (L/H ratio) was different between and within subgroups in Q two. This study supported the subgrouping of LBP and showed that when total range of motion of the lumbar and hip was divided into smaller parts, the difference between subgroups was determined better than before. It is possible that neuromuscular system selects the different strategies for compensating or preventing of further injury of the chain components (muscle, joint, nerve and etc.).
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نویسندگان مقاله | Majid Shahbazi Moheb Seraj
Department of Physiotherapy, school of Rehabilitation Sciences, Iran University of Medical Sciences


| javad Sarrafzadeh
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. Orthopedic research center, Mashhad University of Medical Sciences, Mashhad, Iran.
نشانی اینترنتی http://abjs.mums.ac.ir/article_11158.html
فایل مقاله اشکال در دسترسی به فایل - ./files/site1/rds_journals/328/article-328-994389.pdf
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده RESEARCH PAPER
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