パドリングの分析 : レーシングの漕特性について

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A rowing movement generally gets propulsive force by the reaction from pushing water backward. This study examined the characteristics of rowing in kayak and Canadian races in order to analyze paddling. As for kayak, stroke organization, change in the speed of canoe, and the height of tip were examined. In Canadian stroke, paddle grip, locus of tip, displacement of canoe, and change of speed and acceleration were examined. For this experiment six subjects in kayak and two in Canadian were observed. In the organization of kayak stroke, duration of one paddling was 0.89-1.14 second and the rate of duration from catching the water to the middle was 19-48% and 34-49% from the middle to the finish. Duration of the second half stroke was two times as long as the first half and the speed of canoe was 3.6-4.3 meter per second. There are two types of stroke in kayak, 1) deep blade during the second half of stroke and 2) neck directed in the water thus moving straight during the first half. Angles of blade in both types have to be effective for propelling power. In Canadian stroke, forward and backward movement of the pushing grip is better than that of up and down. Smooth J- stroke makes smooth paddling. The speed of canoe increased after catching the water and decreased at the point of starting J-stroke. The maximum acceleration of canoe while paddling was achieved immediately after catching the water, decreased afterwards, and increased again before the finish. Also, maximum values of each paddling were almost the same.
東京女子体育大学・東京女子体育短期大学の論文

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本田宗洋
東京女子体育大学

パドリングの分析 : レーシングの漕特性について

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