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Morphological changes of the lateral abdominal muscles in adolescent soccer players with low back pain: A prospective cohort study |
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| Authors: | Pawel Linek Pardis Noormohammadpour Mohammad Ali Mansournia Tomasz Wolny Damian Sikora |
| Institution: | 1. Department of Kinesitherapy and Special Methods in Physiotherapy, The Jerzy Kukuczka Academy of Physical Education, Katowice, 40-065, Poland;2. Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, 14395-578, Iran;3. Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, 14155-6446, Iran;4. Kinesis Research Team, Department of Kinesitherapy and Special Methods in Physiotherapy, The Jerzy Kukuczka Academy of Physical Education, Katowice, 40-065, Poland |
| Abstract: | BackgroundMost papers examining the lateral abdominal muscles (LAMs) and low back pain (LBP) are cross-sectional, with groups of participants being divided into a control and an LBP group. We hypothesized that morphological measurements of the LAMs in adolescent soccer players may predict future LBP incidence. The aim of this study was to examine the associations between the morphology of LAMs and LBP incidence rate among adolescent soccer players.MethodsNinety-seven adolescent male soccer players with no LBP at baseline were recruited into the prospective cohort study. The thickness of the LAMs was measured at baseline by ultrasound imaging in a supine rest position. Nine cases of LBP occurred during the follow-up 6-month observation.ResultsAn obliquus internus (OI) asymmetry was related to increasing LBP risk (odds ratio = 19.99; 95%CI: 2.4–167.9). Spearman correlation also showed a linear relationship between OI asymmetry value and duration of LBP (R = 0.75, p = 0.02). An OI side-to-side difference greater than 1.25 mm suggests possible LBP incidence in the 6-month observation among adolescent soccer players.ConclusionThe morphological changes of the OI may be related to LBP’s incidence in adolescent soccer players. The presence of OI asymmetry increases the odds of LBP by at least 2.4 times. Hypertrophy of the OI on one side of the body may contribute to trunk muscle imbalance. |
| Keywords: | Abdominal wall External oblique Internal oblique Low back pain Ultrasound Transversus abdominis |
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