Document Type : Research Paper
Authors
Bu-ali sina university
Abstract
Thoracic kyphosis and lumbar lordosis increase in patients with low back pain (LBP). This spine misalignment increases the loading on the active and passive tissues of the lumbar spine and ultimately causes LBP. The purpose of this study is the effect of core stability exercises (CSE) combined with abdominal hollowing (AH) on sagittal alignment of spine in patients with chronic non-specific low back pain (CNLBP). Thirty women with CNLBP were enrolled in this clinical trial. Patients were randomly assigned to experimental and control groups (15 people in each group). The experimental group performed CSE exercises combined with AH for 8 weeks, and the control group had no intervention. Thoracic kyphosis and lumbar lordosis were evaluated while standing. Covariance statistical method was used to compare results between groups. The covariance results showed that the experimental group compared to the control group had a significant effect with a high effect size in reduction of thoracic kyphosis (P= 0.000, ηp2= 0.487) and lumbar lordosis (P= 0.000, ηp2= 0.654). The CSE combined with AH restores the spine neutral position by deep muscles activating as the postural muscles. As a result, the loading asymmetric distribution on the lumbar spine is corrected and reduced pain.
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