Korean Journal of Applied Biomechanics (한국운동역학회지)

Korean Society of Applied Biomechanics (한국운동역학회)
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The Kinetic and Kinematic Effect of a 12-week Aquatic Exercise Program on Obstacle Gait in Older Women

12주간 수중운동이 노인여성의 장애물보행에 미치는 운동학 및 운동역학적 영향

  • Choi, Pyoung-Hwa (Department of Physical Education, Graduate School of Korea National Sport University) ;
  • Yoon, Suk-Hoon (Department of Community Sport, School of Community Sport, Korea National Sport University)
  • 최평화 (한국체육대학교 대학원 체육학과) ;
  • 윤석훈 (한국체육대학교 사회체육학부)
  • Received : 2010.04.27
  • Accepted : 2010.06.28
  • Published : 2010.06.30
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Abstract

The purpose of this study is to investigate the effect of a 12-week aquatic exercise on obstacle gait in older women. Originally, 20 healthy female elderly participated this study but 12 of them completed the program. All participants were trained in the aquatic exercise program by an authorized trainer. They had come to the authors' lab three times during training period(0, 6, 12 weeks) and performed obstacle gait with three different height(0, 30, and 50% of leg length). After performed 3-Dimensional motion analysis following results were found. (1) For the CV, MVHC, TC, HC, statistically significances were shown in obstacle height. Although significant training effects were not shown, all variables showed typical patterns and it was considered as efficient motion to overcome the height obstacles. (2) The anterior-posterior and vertical GRF of support leg during support phase were revealed in height effect but in training one. However, differences between Peak 1 and Peak 2 in vertical GRF increased as training period increased. (3) Knee and hip resultant joint moments were affected by training but ankle resultant moments remained unchanged.

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References

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