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1- Assistant Professor 1Shahid Beheshti University of Medical Sciences, Tehran, Iran. Exercise Physiology Research Center, Baqiyatallah University of Medical Sciences, Tehran, IR Iran. , sadeghi.m@sbmu.ac.ir
2- Associate Professor Exercise Physiology Research Center, Baqiyatallah University of Medical Sciences, Tehran, IR Iran
3- Assistant Professor Department of English Language Teaching, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
4- Associate Professor Shiraz University of Medical Sciences, Shiraz, Iran
Abstract:   (152 Views)
Background. Low Back Pain (LBP) is a prevalent phenomenon in athletes and asymmetrical loading on the limbs has been proposed as a risk factor related to this disease.
Objectives. The purpose of the present study was to compare the asymmetry of loading applied on the legs between men with and without LBP during gait.
Methods. A total of 40 participants, comprising 20 men with non-specific LBP who practiced martial arts and 20 men without LBP, participated in the study. The participants walked in gait lab and forces applied
on the legs were recorded in three dimensions using a force plate. Also, asymmetry of the forces applied on the dominant and non-dominant limbs was measured.
Results. The Asymmetry Indexes (ASI) of the first, second, and third peaks of vertical forces were respectively 3.1%, 3.4%, and 4.1% for normal participants and 4.2%, 4.2, and 2.1 for the participants who had LBP (p>0.05).
Conclusion. It can be concluded that martial arts athletes with LBP apply symmetrical loads on the lower extremities, similar to healthy people.
Full-Text [PDF 586 kb]   (27 Downloads)    


APPLICABLE REMARKS
• Asymmetrical loading on the limbs applied by athletes who practice martial arts may be unrelated to their LBP symptoms.
• Other biomechanical risk factors which may be related to the problem of martial arts athletes must be examined carefully.

Type of Study: Original Article | Subject: Kinesiology and Sport Injuries
Received: 2017/09/21 | Accepted: 2017/11/19

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