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Title: | Differences in brain processing of proprioception related to postural control in patients with recurrent non-specific low back pain and healthy controls. | Authors: | GOOSSENS, Nina JANSSENS, Lotte Caeyenberghs, Karen Albouy, Geneviève Brumagne, Simon |
Issue Date: | 2019 | Source: | NeuroImage-Clinical, 23, Art N° 101881 | Abstract: | Patients with non-specific low back pain (NSLBP) show an impaired postural control during standing and a slower performance of sit-to-stand-to-sit (STSTS) movements. Research suggests that these impairments could be due to an altered use of ankle compared to back proprioception. However, the neural correlates of these postural control impairments in NSLBP remain unclear. Therefore, we investigated brain activity during ankle and back proprioceptive processing by applying local muscle vibration during functional magnetic resonance imaging in 20 patients with NSLBP and 20 controls. Correlations between brain activity during proprioceptive processing and (1) proprioceptive use during postural control, evaluated by using muscle vibration tasks during standing, and (2) STSTS performance were examined across and between groups. Moreover, fear of movement was assessed. Results revealed that the NSLBP group performed worse on the STSTS task, and reported more fear compared to healthy controls. Unexpectedly, no group differences in proprioceptive use during postural control were found. However, the relationship between brain activity during proprioceptive processing and behavioral indices of proprioceptive use differed significantly between NSLBP and healthy control groups. Activity in the right amygdala during ankle proprioceptive processing correlated with an impaired proprioceptive use in the patients with NSLBP, but not in healthy controls. Moreover, while activity in the left superior parietal lobule, a sensory processing region, during back proprioceptive processing correlated with a better use of proprioception in the NSLBP group, it was associated with a less optimal use of proprioception in the control group. These findings suggest that functional brain changes during proprioceptive processing in patients with NSLBP may contribute to their postural control impairments. | Notes: | Goossens, N (reprint author), Katholieke Univ Leuven, Dept Rehabil Sci, Musculoskeletal Rehabil Res Grp, Tervuursevest 101,Box 1501, B-3001 Leuven, Belgium. Nina.Goossens@kuleuven.be | Keywords: | Low back pain; Postural control; Proprioception; Functional magnetic resonance imaging; Fear | Document URI: | http://hdl.handle.net/1942/28272 | ISSN: | 2213-1582 | e-ISSN: | 2213-1582 | DOI: | 10.1016/j.nicl.2019.101881 | ISI #: | 000485804400067 | Rights: | 2019 Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/BY-NC-ND/4.0/) | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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1-s2.0-S2213158219302311-main.pdf | Published version | 1.42 MB | Adobe PDF | View/Open |
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