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Regional spinal kinematics during static postures: discrimination between subclassified people with non-specific chronic low back pain (NSCLPB) and healthy controls

Hemming, Rebecca, Sheeran, Liba, Van Deursen, Robert William Martin and Sparkes, Valerie 2015. Regional spinal kinematics during static postures: discrimination between subclassified people with non-specific chronic low back pain (NSCLPB) and healthy controls. Orthopaedic Proceedings: A Supplement of the Bone & Joint Journal 97-B (S2) , p. 17.

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Abstract

Background and Purpose of Study: Differences in regional lumbar angles in sitting have been observed between subgroups of NSCLBP patients exhibiting motor control impairments (MCI) (O'Sullivan, 2005; Dankaerts et al, 2006). However, differences in standing posture and other spinal regions are unknown. This study aimed to compare regional spinal angles in healthy and MCI subgroups in sitting and standing. Methods: An observational, cross-sectional study investigated spinal kinematics of 28 Flexion Pattern (FP), 23 Active Extension Pattern (AEP) (O'Sullivan, 2005) and 28 healthy controls using 3D motion analysis (Vicon) during usual sitting and standing. Mean sagittal angle for Total Lumbar (TotLx), Total Thoracic (TotTx), Upper Thoracic (UTx), Lower Thoracic (LTx), Upper Lumbar (ULx) and Lower Lumbar (LLx) regions between groups were compared using one-way ANOVA. Results: No differences in total thoracic and lumbar regions were observed, except TotLx in sitting between FP and AEP (Mean Difference (MD)=15.81°, p=0.003). Significant differences were observed in ULx and LTx for standing and sitting between FP and AEP (ULx Standing MD=9.89°, p=0.003; ULx Sitting MD=12.32°, p=0.000; LTx Standing MD=7.57°, p=0.05; LTx Sitting MD=11.72°, p=0.001) with AEP demonstrating greater extension in these regions. FP exhibited greater flexion compared to controls in ULx and LTx, except LTx in standing (ULx Standing MD=7.69°, p=0.018; ULx Sitting MD=6.96°, p=0.014; LTx Sitting MD=11.28°, p=0.001). No differences between AEP and controls were observed in sitting or standing. Conclusion: Observing subdivided regional spinal angles is key to identifying MCI sub-group differences, with ULx and LTx able to discriminate between FP and AEP, and FP and healthy controls.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Healthcare Sciences
Subjects: R Medicine > R Medicine (General)
R Medicine > RA Public aspects of medicine > RA0421 Public health. Hygiene. Preventive Medicine
Publisher: British Editorial Society of Bone & Joint Surgery
Funders: Arthritis Research UK, President's Scholarship, Cardiff University
Last Modified: 05 Jun 2017 05:18
URI: http://orca-mwe.cf.ac.uk/id/eprint/83417

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