Development of Anaerobic Power for Boys and Girls from Viewpoint of 7-sec Pedalling Exercise
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概要
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This study investigated the development of level and type of anaerobic power exerted by 7-sec pedalling exercise with special reference to age, sex and body height as an index of growth. Subjects were 92 boys and 90 girls from 4th to 6th grade of elementary school (E 4-E 6) and from 1st to 3rd grade of junior and senior high school (J 1-J 3, S 1-S 3). Pear power/BW and peak frequency of revolution during 7-sec pedalling were measured at torques of 0.04BW, 0.06BW, 0.08BW and 0.1BW. The level of anaerobic power was determined by peak power/BW at each torque. The type of anaerobic power was determined by the coefficients of linear equation representing relationship between torque and peak frequency of revolution. Results were as follows;1) Peak power/BW at each torque increased remarkably from E 4 to J 1 or J 2 for both sexes. Significant sexual difference was recognized at any torque in and after J 2.2) Peak power/BW for both sexes at each torque increased with increasing body height. But peak power/BW of boys compared with girls and individual difference of peak power/BW for both sexes tended to be greater in higher body height and at larger torque. In the latter case, the difference was greater for girls than for boys.3) The type of anaerobic power for both sexes shifted from speed type to strength type during E 4 and J 2 or J 3. The type for boys compared with girls was strength type in and after J 2.4) The type of anaerobic power for both sexes shifted from speed type to strength type with increasing of body height. Sexual difference of the type was not recognized at any body height. Individual difference of the type was greater at any body height for both sexes.These results will be useful findings for establishing measurement and training methods of anaerobic power with special reference to age, sex and body height.
- 日本スポーツ教育学会の論文
日本スポーツ教育学会 | 論文
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