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Balance Control in Patients with Subacute Non-Specific Low Back Pain, with and without Lumbar Instability: A Cross-Sectional Study

Authors Hlaing SS, Puntumetakul R, Wanpen S, Boucaut R

Received 22 September 2019

Accepted for publication 8 April 2020

Published 23 April 2020 Volume 2020:13 Pages 795—803

DOI https://doi.org/10.2147/JPR.S232080

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Robert B. Raffa


Su Su Hlaing,1,2 Rungthip Puntumetakul,2,3 Sawitri Wanpen,2,3 Rose Boucaut4

1Human Movement Sciences, School of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand; 2Research Center in Back, Neck, Other Joint Pain and Human Performance, Khon Kaen University, Khon Kaen 40002, Thailand; 3School of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand; 4International Centre for Allied Health Evidence, University of South Australia, School of Health Sciences, Adelaide, SA 5001, Australia

Correspondence: Rungthip Puntumetakul
School of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, 123 Mittraphap Road, Muang District, Khon Kaen 40002, Thailand
Tel +66 834196186
Fax +66 432020856
Email rungthiprt@gmail.com

Background: Patients with low back pain (LBP) have poorly coordinated neuromuscular control, which may alter the normal postural stability of the spine. Altered movement control may occur at any stage of LBP.
Purpose: (1) To identify differences in balance control and proprioceptive sense between subacute non-specific LBP (NSLBP) patients with and without lumbar instability (LI) and healthy subjects and (2) to investigate the correlation between factors of motor control deficits and balance.
Patients and Methods: Thirty-six participants matched by gender, age, and body mass index (BMI) were allocated into three groups of 12: subacute NSLBP patients with LI, subacute NSLBP patients without LI, and healthy subjects. Balance, proprioceptive sense, pain, functional disability, and fear of movement were evaluated.
Results: Subacute NSLBP patients with LI exhibited greater impairments in balance control, proprioceptive sense, and functional ability than patients without LI (p< 0.05). Subacute NSLBP patients showed more impairments in balance control, proprioceptive sense, and fear of movement than healthy subjects (p< 0.001), with the following effect sizes (partial η2) for static balance on stable and unstable surface: 0.597 and 0.560, anticipatory balance: 0.417, and dynamic balance: 0.536; proprioceptive sense: 0.676; and fear of movement: 0.379. Significant fair correlations were found between (1) static balance and proprioceptive sense, functional disability, and fear of movement; (2) functional reach test (FRT) and pain; and (3) the five times sit to stand test (FTSTS) and functional disability.
Conclusion: Subacute NSLBP patients with LI showed greater impairment in balance control than patients without LI. Reduced proprioceptive sense, increased pain, functional disability, and fear of movement were fairly related to impaired balance.

Keywords: motor control, joint repositioning error, non-specific low back pain, instability

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