Physical Therapy Korea (한국전문물리치료학회지)

Korean Research Society of Physical Therapy (한국전문물리치료학회)
권호 표지

The Variations in Gait Parameters and the Muscle Activities on the Non-Affected Side of the Shoulder Girdle According to Arm Sling Type in Patients with Hemiplegia

팔걸이 형태에 따른 편마비 환자의 보행 변수 및 비마비측 견갑대의 근활성도 변화

  • Lee, Og-Kyung (Dept. of physical Therapy, Good Gangan Hospital) ;
  • An, Duk-Hyun (Dept. of Physical Therapy, College of Biomedical Engineering and Science, Inje University) ;
  • Yoo, Won-Gyu (Dept. of Physical Therapy, College of Biomedical Engineering and Science, Inje University) ;
  • Oh, Jae-Seop (Dept. of Physical Therapy, College of Biomedical Engineering and Science, Inje University) ;
  • Yoon, Ji-Yeon (Dept. of Motion Analysis, Haeundae Paik Hospital)
  • 이옥경 (좋은강안병원 물리치료실) ;
  • 안덕현 (인제대학교 의생명공학대학 물리치료학과) ;
  • 유원규 (인제대학교 의생명공학대학 물리치료학과) ;
  • 오재섭 (인제대학교 의생명공학대학 물리치료학과) ;
  • 윤지연 (해운대백병원 동작분석실)
  • Received : 2010.06.04
  • Accepted : 2010.09.04
  • Published : 2010.09.17
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Abstract

The purpose of this study was to investigate the variations in gait parameters in terms of the type of arm sling used in hemiplegic patients. Ten patients with hemiplegia and ten healthy adults participated in this study and walked at self-selected speeds on a GAITRite-instrumented carpet. The activities of the opposite shoulder girdle muscle including the latissimus dorsi, anterior deltoid, and posterior deltoid were simultaneously recorded using surface EMG during gait. They were randomly assigned a condition: without an arm sling, a single strap arm sling, a Harris hemi arm sling, a Rolyan humeral cuff arm sling, and a Bobath roll arm sling. The following gait variables were analyzed: the temporo-spatial parameters of velocity, step length, stride length, swing phase, stance phase, single support, step time and toe in/toe out. The statistical analysis was one-way ANOVA with repeated measures to compare the variation of each variable. In comparison of parameters in each trial in the hemiplegia group, the non-affected side stride length, single support, and toe in/toe out resulted in statistically significantly changes (p<.05). But without an arm sling group did not show any gait parameter differences with arm slings. This study found that several arm slings varied gait patterns in patients with hemiplegia and in healthy adults. In the EMG analysis, the Rolyan humeral cuff arm sling and the Bobath roll arm sling were higher muscle activity for the latissimus dorsi muscle than did the single strap ann sling. Further study should examine the problems that appeared in patients who worn arm slings by focusing on a larger number of subjects and by studying the variety of responses in more detail using an assessment tool that measures variation.

Keywords

References

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