Journal of the Korean Society of Physical Medicine (대한물리의학회지)

The Korean Society of Physical Medicine (대한물리의학회)
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Center of Pressure and Ground Reaction Force Analysis of Task-oriented Sit-to-stand in Stroke Patients

뇌졸중 환자의 과제지향적 일어서기 시 신체압력중심과 지면반발력 특성

  • Yoo-Jung, Lim (Department of Physical Therapy, Graduate School, Daegu Catholic University ) ;
  • Joong-Hwi, Kim (Department of Physical Therapy, Daegu Catholic University)
  • 임유정 (대구가톨릭대학교 대학원 물리치료학과) ;
  • 김중휘 (대구가톨릭대학교 물리치료학과)
  • Received : 2022.09.27
  • Accepted : 2022.10.17
  • Published : 2022.11.30
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Abstract

PURPOSE: This study examined the center of pressure (COP) and ground reaction force (GRF) characteristics during each task-oriented sit-to-stand in stroke patients. METHODS: Twenty stroke subjects were included in this study. The task consisted of sit-to-stand (SS), sit-to-stand for reaching (SR), and sit-to-stand for walking (SW). The response time, COP, and GRF were measured during each task. The COP and GRF data were obtained using a two-force plate. The force plates were placed on a chair (below the buttock) and floor (below the feet). RESULTS: Significant differences were observed between SS (1.48 ± .48 s) and SR (2.09 ± 0.82 s) and between SS and SW (2.27 ± .72 s) in the preparatory phase time during each sit-to-stand exercise (p = .002) and showed significant differences between SS (13.90 ± 6.44 cm) and SW (34.62 ± 39.38 cm) and between SR (16.14 ± 8.04 cm) and SW in the mediolateral COP range during each sit-to-stand exercise (p = .013). CONCLUSION: These findings suggest that more complex task-oriented sit-to-stand exercise requires a high-level motor programming process than a simple sit-to-stand task. Therefore, a variety of tasks-oriented sit-to-stand exercises will be useful training to achieve better ADL ability for stroke patients.

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References

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