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Year : 2022  |  Volume : 16  |  Issue : 1  |  Page : 16-22

Association of foot arch types with chronic low back pain among selected adults in Sri Lanka

1 Spinal Cord Injury and Rehabilitation Unit, Divisional Hospital Wariaypola, Sri Lanka
2 Diabetes Research Unit, Department of Clinical Medicine, Faculty of Medicine, University of Colombo, Sri Lanka
3 Department of Parasitology, Faculty of Medicine, University of Colombo, University of, Sri Lanka

Correspondence Address:
Shanaz F Marikkar
Spinal Cord Injury and Rehabilitation Unit, Divisional Hospital Wariyapola, Wariyapola
Sri Lanka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/pjiap.pjiap_6_22

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BACKGROUND: Abnormal foot posture has been extensively discussed as a risk factor for chronic low back pain (CLBP). The present study aimed at assessing the association of foot arch types with CLBP in a selected population. METHODOLOGY: A descriptive study was conducted at the Department of Rheumatology and Rehabilitation Clinic of National Hospital of Sri Lanka with employing a 100 of patients diagnosed with CLBP (50 cases and 50 controls). The data were collected during December 1, 2019, and February 28, 2020. Foot arch type was detected using the arch index method. The modified Oswestry low back pain disability questionnaire was used to measure the disability level and Numerical Rating Scale (NRS) for pain. Chi-square test and Pearson's correlation tests were used for data analysis. RESULTS: Out of the patients with CLBP, 82% (n = 41) were with normal foot arch (NFA), 16% (n = 8) with low foot arch (LFA), and 2% (n = 1) with high foot arch (HFA). In the control group, there were 94% (n = 47) with NFA, 4% (n = 2) with LFA, and 2% (n = 1) with HFA. Sample size was small to extract a significant P value for the observed difference between cases and controls with regard to the presence of LFA. The majority (66%) of the patients had severe disability followed with moderate disability (28%), minimal disability (4%), and crippled (2%). A positive correlation was found between disability level and the pain scale (P < 0.01). CONCLUSIONS: Further research with large sample size is necessary to make firm conclusions on association of LFA type with low back pain. However, the pain and the disability level among the patients with CLBP seems to be highly correlated.

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