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Asian J Kinesiol > Volume 15(2); 2013 > Article
The Official Journal of the Korean Academy of Kinesiology 2013;15(2):15-22.
DOI: https://doi.org/10.15758/jkak.2013.15.2.15     Published online April 30, 2013.
A Comparative Analysis of Motion Performance, Physical Activity, and Exercise Fatigue Degree during Inflatable Kayak and Hard Shall Kayak Sailing
Yong-Hee Lee, Suh-Jung Kang
Sangmyung University
Correspondence:  Suh-Jung Kang,
Email: suhjkang@smu.ac.kr
Received: 22 March 2013   • Accepted: 20 April 2013
Abstract

INTRODUCTION
The purpose of this study was to investigate the differences of motion performance, physical activity, and exercise fatigue degree during semideveloped inflatable kayak(O-boat), imported hard shall kayak(K-boat), and existing inflatable kayak(F-boat) sailing.
METHOD
Eight elite university kayak athletes (8 male; 20.62±1.40yr; 176.37±6.56cm; 74.12±7.07kg) were recruited in this study. The forward stroke frequence, the lead time as indices of motion performance were measured. Physical activity was measured and analyzed using by tri-axis motion accelerometer, and exercise fatigue was assessed by blood lactate.
RESULT
The forward stroke frequence and the lead time were significantly different among O-boat, K-boat and F-boat(p=.001). There were no significant differences among each boat on the tri-axi physical activity levels and exercise fatigue degree.
CONCLUSION
These results suggest that there was not differences between O-boat and K-boat on the motion performance. However, in respect of the stability, it was shown a trend that O-boat has stability lower than K-boat.
Keywords: Inflatable Kayak, Motion Performance, Physical Activity, Exercise Fatigue Degree
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