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European Journal of Physical and Rehabilitation Medicine 2021 Oct 12

DOI: 10.23736/S1973-9087.21.07293-2


lingua: Inglese

Effects of exercise on balance in patients with non-specific low back pain: a systematic review and meta-analysis

Fulvio DAL FARRA 1, Federico ARIPPA 2 , Mauro ARRU 3, Martina COCCO 3, Elisa PORCU 3, Marco TRAMONTANO 4, 5, Marco MONTICONE 1, 2

1 Department of Medical Sciences and Public Health, University of Cagliari, Cagliari, Italy; 2 Neurorehabilitation Unit, Department of Neuroscience and Rehabilitation, ARNAS G. Brotzu, Cagliari, Italy; 3 Physical and Rehabilitation Medicine, Clinical Sciences and Translational Medicine Department, University of Rome Tor Vergata, Rome, Italy; 4 Fondazione Santa Lucia IRCCS, Rome, Italy; 5 Department of Movement, Human and Health Sciences, Interuniversity Centre of Bioengineering of the Human Neuromusculoskeletal System, University of Rome Foro Italico, Roma, Italy


INTRODUCTION: Non-specific low back pain (NS-LBP) is one of the most common musculoskeletal conditions related to medical expenses and disability. Evidence suggests that changes in motion patterns could induce trunk instability and impaired postural control. Therefore, this systematic review investigated the effects of exercise on balance in patients with NS-LBP.
EVIDENCE ACQUISITION: A systematic review and meta-analysis were conducted. Findings were reported following the 2020 PRISMA statement and the main databases were searched for RCTs. Studies were independently screened through a standardized form and their internal validity assessed by using the Cochrane risk of bias (RoB) tool. Pooled effects were calculated at post-treatment and quality of evidence was assessed through the GRADE framework.
EVIDENCE SYNTHESIS: Twelve articles were included in the review, eight in the meta-analysis. None of the studies were judged at low RoB. There is very low quality evidence that exercise is effective in reducing Centre of Pressure (CoP) displacement [-16.99 (-27.29, -6.68); p=0.001] and in improving single-leg stance test performance [-28.7 (-48.84, -8.67); p=0.005] and dynamic balance [-4.74 (-8.02, -1.46); p=0.005]. Conversely, no significant results were observed in “ellipse area” and in “limits of stability” indexes. Other results were summarized in a qualitative synthesis.
CONCLUSIONS: Exercise could be effective in improving both static and dynamic balance in patients with NS-LBP over a short-term period. However, quality of evidence was estimated as very low, hence further double-blinded, high-quality RCTs are needed to address clinical practice and research.

KEY WORDS: Low back pain; Exercise; Postural balance; Physical therapy modalities; Systematic review

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