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KMID : 0608320180250010047
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Physical Therapy Korea
2018 Volume.25 No. 1 p.47 ~ p.52
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Comparison of Hip Rotation Range of Motion in Jiu-Jitsu Athletes With and Without Low Back Pain
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Yang Sung-Jun
Park Kyue-Nam
Kyung Moon-Soo
Kim Si-Hyun
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Abstract
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Background: A limited hip rotational range of motion (ROM) has been considered to be one of characteristics of low back pain (LBP) in athletes. Although LBP frequently occurs in jiu-jitsu athletes, no previous has compared hip rotational ROM between jiu-jitsu athletes with and without LBP.
Objects: The aim of the study was to compare ROM for hip internal rotation (IR) and external rotation (ER), and total hip rotation between jiu-jitsu athletes with and without LBP.
Methods: Jiu-jitsu athletes were recruited for the LBP group (n1=15) and control group without LBP (n2=15). IR, ER, and total rotational range of hip joint were measured using a goniometer. Analysis of variance was used to compare the ROM between groups and sides.
Results: The LBP group showed a significantly lower range of passive hip IR, passive total rotation, active IR, active ER, and active total rotation than the control group (p<.05). Dominant side of passive hip IR and active IR had a significantly lower ROM than non-dominant side (p<.05). In passive ER ROM, non-dominant side was significantly greater than dominant side (p<.05).
Conclusion: Compared to jiu-jitsu athletes without LBP, athletes with LBP exhibit a loss of hip rotational ROM. Based on these results, clinicians and athletic trainers should measure hip rotational ROM when designing the management plan for jiu-jitsu athletes with LBP.
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KEYWORD
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Hip rotation, Jiu-jitsu, Low back pain, Range of motion
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