Engineering concepts in analysing lumbosacral load in post-operative scoliotic patients

P. Mohankumar, W. Y. Leong, Kean How Cheah, L. C. Yong

Research output: Contribution to journalArticle

Abstract

Lumbosacral alignment plays a major role in the mechanical low back pain in normal population. Malalignment causes increased strain to the muscles and ligaments around it which eventually leads to mechanical low back pain and discomfort. The level of strain a ligament receives in the lumbosacral junction depends upon the lumbosacral angle and the load exerted on it. If there is an easy way to find the load exerted at the lumbosacral junction, then it would be trouble free for the physicians to examine. Hence, the treatment can be planned accordingly. This study analysis the angle, net force produced and stress faced by the ligaments around the lumbosacral joint in postoperative scoliosis patients using radiographic images. Study design was analytical, observational cross sectional study. Radiographs of 30 patients were collected and one sample ‘t ’ test was used for data analysis with ‘p ’value set as 0.05 as level of significance. The mean lumbosacral angle of the postoperative scoliotic patients was found to be 45.56 degrees and the standard deviation was ± 8.7156. The results suggest that patients who underwent scoliosis correction surgery did not have an optimal lumbosacral angle of 30 degrees.

Original languageEnglish
Pages (from-to)1058-1069
Number of pages12
JournalJournal of Engineering Science and Technology
Volume13
Issue number4
Publication statusPublished - Apr 2018

Keywords

  • Center of Mass
  • Center of Pressure
  • Force magnitude
  • Lumbosacral stress

ASJC Scopus subject areas

  • Engineering(all)

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