Original Research

The association between trunk muscle endurance and lumbo-pelvic stability in adolescent low back pain: A cross sectional study

F. Lewis, W. Wood, B. Olivier
South African Journal of Physiotherapy | Vol 69, No 1 | a367 | DOI: https://doi.org/10.4102/sajp.v69i1.367 | © 2013 F. Lewis, W. Wood, B. Olivier | This work is licensed under CC Attribution 4.0
Submitted: 11 November 2013 | Published: 11 November 2013

About the author(s)

F. Lewis, Department of Physiotherapy, University of the Witwatersrand, South Africa
W. Wood, Department of Physiotherapy, University of the Witwatersrand, South Africa
B. Olivier, Department of Physiotherapy, University of the Witwatersrand, South Africa

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Abstract

Decreased trunk muscle endurance has been identified as a risk factor for adolescent LBP, and poor lumbo-pelvic stability has been found to be associated with LBP in the adult population. The aim of the study was to investigate the association between adolescent LBP, trunk muscle endurance and poor lumbo-pelvic stability. Design: A cross sectional study. Participants: 80 adolescents in grade 8 to grade 11, aged 12 to 17 years, at three high schools in Gauteng, who agreed to participate in the study. Method: Data was collected by means of a validated questionnaire and physical tests. The active straight leg raise test was used to record the lumbo-pelvic stabilising muscles. The Sorensen, Shirado and side-bridge tests were used to record trunk extensor, flexor and side flexor muscle endurance, respectively. Results: The results revealed a lifetime prevalence of LBP of 82.50%, one year prevalence of 78.80% and point prevalence of 23.80%. Adolescents with LBP demonstrated decreased trunk extensor muscle endurance but increased trunk flexor muscle endurance (p=0.044), compared to non-LBP adolescents. Poor lumbo-pelvic stability was not associated with adolescent LBP, but was associated with decreased extensor trunk muscle endurance (p=0.031). Conclusion: There was an association between trunk flexor muscle endurance and adolescent LBP, and between decreased trunk extensor muscle endurance and poor lumbo-pelvic stability. No association was found between LBP and poor lumbo-pelvic stability.

Keywords

Adolecent; Trunk mucle endurance; Low back pain; Lumbo-pelvic stability; Risk factors

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