Relationship between lumbar lordosis, pelvic tilt and ultrasonic thickness of abdominal wall muscles in healthy young women

Document Type : Original article

Authors

1 1. Msc of physiotherapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

2 2. Assistant professor in physiotherapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

3 3. Professor of physiotherapy, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

4 4. Associate professor of Biostatistics, Faculty of Rehabilitation Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran

Abstract

Background and Aim: According to importance of healthy posture and high prevalence of all kinds of faulty postures among young population, study of etiological factors is necessary. The aim of this study was to evaluate the relationship between lumbar lordosis and pelvic inclination with ultrasonic thickness of abdominal wall muscles in healthy young females.
Materials & Methods: 76 healthy young female, ages ranged 18-30 years participated in this study voluntarily. After collecting demographic information, flexible ruler and inclinometer were used for measuring the degree of lumbar lordosis and pelvic inclination respectively. Then, the rest thickness of abdominal wall muscles were measured in two different positions of crook lying and standing by using ultrasonography. The Pearson correlation coefficient was used for statistical analysis.
Results: Results revealed significant statistical relationship between lumbar lordosis and pelvic inclination (p=0.03(. Among abdominal muscles, only transverse abdominis muscle showed a negative correlation with lumbar lordosis during standing (p= -0.02).  There was not statistical relationship between abdominal muscle thickness and pelvic inclination.
Conclusion: Based on the findings of this study, there is a direct relationship between lumbar lordosis and pelvic tilt, but rest thickness of the abdominal wall muscles except the transverse abdominis muscle, has no significant effect on lumbar lordosis.

Keywords

References

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The Scientific Journal of Rehabilitation Medicine
Volume 4, Issue 3 - Serial Number 3
September and October 2015
Pages 65-73

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History

  • Receive Date: 18 October 2014
  • Revise Date: 04 March 2015
  • Accept Date: 03 May 2015
  • First Publish Date: 23 September 2015

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