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Journal of the Korean Academy of Rehabilitation Medicine 2007;31(6):649-654.
Effect of Concentric Isokinetic Knee Strength Training on Gait, Balance and Quality of Life in Chronic Stroke Patients.
Lee, Ho , Noh, Gil Bo , Lee, Yeun Hee , Seong, Nak Jin , Lee, Han Cheol
1Department of Rehabilitation Medicine, Eulji University College of Medicine, Korea. rmleeho@dreamwiz.com
2Exercise Medicine Center, Eulji University Hospital, Korea.
3Motion Analysis Laboratory, Eulji University Hospital, Korea.
뇌졸중 환자에서 슬관절 근력 훈련이 보행, 균형 및 삶의 질에 미치는 효과
이호, 노길보, 이윤희1, 성낙진1, 이한철2
을지대학교 의과대학 재활의학교실, 1을지대학교병원 운동의학센터, 2을지대학교병원 동작분석실
Abstract
Objective
To determine the effects of concentric isokinetic knee strength training on gait, balance and health related quality of life in chronic stroke patients.
Method
Fifteen patients with chronic stroke participated in this study. All subjects were community ambulators and trained using Biodex System 3 isokinetic dynamometer three times a week for 6 weeks. The training program consisted of concentric isokinetic strengthening of both knee extensors and flexors. Peak torque of knee extensors and flexors, walking performance (temporospatial parameter of gait and stair climbing time), balance (overall balance index, anterior/ posterior index and medial/lateral index) and health-related quality of life measure (36-item short form health survey, SF-36) were evaluated before and after training period.
Results
Muscle strength improved significantly after training. Walking speed, stride length and stair climbing time improved significantly after training. Balance indices and SF-36 score also improved significantly after training.
Conclusion
Gain in muscle strength appeared to be transferred to functional improvement. Therefore, isokinetic resistance training program would be one of the effective rehabilitation programs for chronic stroke survivors. Further investigations are required for long-term effect and development of strength-specific resistance training program. (J Korean Acad Rehab Med 2007; 31: 649-654)
Key Words: Stroke, Isokinetic, Concentric, Strength, Resistance


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