The Journal of Korean Physical Therapy

The Korean Society of Physical Therapy (대한물리치료학회)
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Effects of Ankle Joint Position during Closed Kinetic Chain Exercise on Strength and Balance in Chronic Stroke

  • Kim, Ye-Eun (Department of Physical Therapy, Graduate School of Health and Medicine, Daejeon University) ;
  • Bang, Dae-Hyouk (Department of Physical Therapy, Graduate School of Daejeon University) ;
  • Shin, Won-Seob (Department of Physical Therapy, College of Health and Medical Science, Daejeon University)
  • Received : 2015.09.16
  • Accepted : 2015.10.19
  • Published : 2015.10.25
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Abstract

Purpose: This study was conducted to determine the effects of ankle joint position during closed kinetic chain (CKC) exercise on knee extensor strength and balance in patients with chronic stroke. Methods: Sixteen patients with chronic stroke participated in the study. Participants were randomly assigned to two groups: $15^{\circ}$ ankle joint plantar flexion group (n=8) and ankle joint neutral group (n=8) during CKC exercise. All participants underwent conventional physical therapy for 30 minutes. In addition, the experimental group ($15^{\circ}$ ankle joint plantar flexion group) and control group (ankle joint neutral group) participated in a 20-minute CKC exercise program. In both groups exercise was performed three times a week for four weeks. Outcomes including knee extensor strength and balance ability (Five times sit-to-stand test, Timed up and go test, and Balancia) were measured before and after exercise. Results: Significant differences in knee extensor strength and balance ability were observed between pre- and post-exercise in all groups (p<0.05). The improvement of knee extensor strength and dynamic balance was significantly higher in the experimental group than in the control group (p<0.05). Conclusion: These findings demonstrated that $15^{\circ}$ ankle joint plantar flexion during closed kinetic chain exercise is effective in improvement of knee extensor strength and dynamic balance in patients with chronic stroke.

Keywords

References

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