The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Relationship Between Gait Symmetry and Functional Balance, Walking Performance in Subjects with Stroke

뇌졸중 환자의 보행 대칭성과 기능적 균형 및 보행과의 상관관계 연구

  • Kim, Joong-Hwi (Department of Physical Therapy, Collage of Medical Science, Catholic University of Daegu)
  • 김중휘 (대구가톨릭대학교 의료과학대학 물리치료학과)
  • Received : 2014.02.06
  • Accepted : 2014.02.06
  • Published : 2014.02.25
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Abstract

Purpose: The aim of the present study was to understand the relationship between gait symmetry and functional balance, walking performance in stroke patients and to makes recommendation regarding the most suitable measure for standardization of expression of spatiotemporal gait symmetry. Methods: 45 subjects with stroke (31 men, 14 women, $57.3{\pm}10.3$ years old) participated in this study. Gait symmetry was calculated by equations of symmetry ratio (SR) and symmetry criterion (SC) for stance time, swing time, single leg support time (SLST), step length, and stride length. Spatiotemporal parameters were measured respectively by walkway system ($GAITRite^{TM}$ system). Limit of stability (LOS) by using forceplate (Balance Performance Monitor) during voluntary weight displacement and Berg Balance Scale (BBS) were measured as functional balance and Timed Up and Go test (TUG) and Functional Ambulation Category (FAC) were assessed as functional walking. Results: SR in stance time and swing time was correlation with BBS, TUG and FAC (p<0.05). SR in SLST only with BBS (p<0.01), SR in step length only with FAC (p<0.05). SC in stance time was correlation with BBS and TUG (p<0.05). SC in swing time and SLST with BBS, TUG and FAC (p<0.01), SC in step length with TUG and FAC (p<0.01), SC in stride length with BBS and FAC (p<0.01). Conclusion: Gait symmetry in spatiotemporal gait parameters provides meaningful information about functional balance and walking performance in stroke subjects. Our analysis may support the recommendations of the symmetry criterion as equation for standardization of gait symmetry.

Keywords

References

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