Study on the angle of hip joint during walk wearing hip bands

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  • Toraiwa Taro
    Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University Adachi Keiyu Rehabilitation Hospital
  • Kuruma Hironobu
    Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University

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Other Title
  • 股関節内外旋誘導バンド装着中の歩行時股関節角度の検討
  • コカンセツ ナイガイセンユウドウ バンド ソウチャク チュウ ノ ホコウジ コカンセツ カクド ノ ケントウ

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Abstract

 [Purpose]The purpose of this study was to analyze the effect of walking exercise using bands that induce the internal and external rotation of hip joints, using a three-dimensional motion analyzer.<br>  [Participants and Methods]We analyzed 10 healthy adult males(age: 21-22 years)for the study. We asked them to perform an unguided normal walk without bands(NW), a guided external rotation walk wearing bands(ER), and a guided internal rotation walk wearing bands(IR)seven times, in this order. We analyzed each walk and used the average of the maximum extension and flexion angles and moments of the left and right hip joints for statistical analysis. Results were statistically analyzed using the Kruskal-Wallis test and Mann- Whitney U test. Analyses were performed using the IBM SPSS ver. 25, with p<0.05 considered significant.<br>  [Results]The maximum angle of hip joint extension was significantly larger in the ER group than in the NW and IR groups(p<0.05), while the maximum angle of hip joint flexion was significantly lower in the ER group than in the NW and IR groups(p<0.05).<br>  [Conclusion]This study indicates that ER changes the angle of the hip joint during walking. This shows the possibility that ER is effective at increasing the range of motion of the maximum hip joint extension in physical therapy. However, further study is necessary because we did not clarify the relationship between the increase in the range of motion of hip joint extension and the amount of muscle activity of the hip extension muscle group.

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