الفهرس 
Relationship between lumbar curvature and functional status in patients with mechanical low back pain
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Abstract
Background: Changes in lordotic angle may be one of the contributing factors in producing low back pain and disability. Mechanical low back pain consider a major health problem affecting the adult population. it is estimated that LBP is among the top ten diseases and injuries that account for the highest number of disability-adjusted life years worldwide.Aim: The study was conducted to investigate the relationship between lumber curvature and functional status in patients with mechanical low back pain. Methods: Forty male subjects were included in this study; twenty patients with mechanical low back pain (group A) and twenty normal subjects (group B) matched to the same age and BMI. Patients were selected from Neurology Department in Kasr El Aini Hospital, and from out-patient clinic of faculty of physical therapy, Cairo University. Patient’s age ranged from 30 to 55 years and their body mass indexes were < 30 kg/m2. Spinal mouse was used to assess lumbar curvature angle in both groups. Visual analog Scale was used to assess pain intensity, Modified Oswestry Low Back Pain Questionnaire and Functional Activity Back Questionnaire (FABQ) were used to assess the functional status in patients’ group.Results: The results revealed a significant reduction of lumbar curvature angle in group (A) compared to group (B) and a significant negative correlation between lumbar curvature and functional activity back questionnaire FABQ PA (r= -0.730; P= 0.001), FABQ questionnaire at work (r= -0.704; P= 0.001), modified oswestry scale (r= -0.788; P= 0.001) and pain intensity (r= -0.704; P= 0.001)