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題 名 | 不同等級大專射箭選手平衡控制能力之差異=Differences in Postural Control between Elite and General Collegiate Archers during Static and Shooting Conditions |
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作 者 | 林威秀; 黃國堂; 邱炳坤; 黎俊彥; | 書刊名 | 大專體育學刊 |
卷 期 | 11:2 2009.06[民98.06] |
頁 次 | 頁85-96 |
分類號 | 528.9012 |
關鍵詞 | 腳壓中心; 靜態平衡; 動態平衡; Center of pressure; Static balance; Dynamic balance; |
語 文 | 中文(Chinese) |
中文摘要 | 目的:比較不同等級大專射箭選手於一般情境與瞄射情境之平衡控制差異。方法:19位大專射箭選手,依國際射箭總會之全項單局最佳成績表現,分為優秀組(EA, 9人,FITA分數=1210.1±19.1分;年齡=20.2±1.6歲;身高=170.0±6.1公分;體重=81.2±25.6公斤)與一般組(GA, 10人,FITA分數=1122.5±47.3分;年齡=20.1±1.0歲;身高=173.3±9.6公分;體重=70.1±14.9公斤)。平衡控制能力是以三軸測力板搭配專業平衡分析軟體,分析各測試情境之腳壓中心(COP)偏移半徑、搖晃速度與95%涵蓋面積來評估,而取樣頻率則設定為100Hz。一般情境平衡測試包括雙/單腳之開/閉眼站立與射箭慣用/非慣用側站立等八種姿勢各10秒,而瞄射情境平衡測試則是收集進行2回合共12箭,距離50公尺射箭運動之平衡參數,並分析個別選手得分最高分與最低分2箭之平衡參數。所得數據以平均數±標準差顯示,以SPSS統計軟體進行獨立樣本t考驗,比較兩組各情境平衡控制參數的差異,再以相依樣本t考驗,比較個別選手高分箭與低分箭平衡控制參數的差異,顯著水準皆定為p<.05。結果:兩組射箭選手於一般情境測試之平衡控制能力皆無顯著差異,在瞄射情境測試時優秀選手有顯著較小COP搖擺速度與涵蓋面積(3.53±0.75vs.4.42±0.93mm/s, t=-2.31, p<.05; 2.98±1.43vs.6.50±4.16mm^2, t=-2.41, p<.05),且個別選手高分箭之COP涵蓋面積也顯著小於低分箭(4.49±3.70vs.5.30±4.29mm^2, t=-2.48, p<.05)。結論:優秀射箭選手於瞄射情境測試時,有顯著較小的身體重心搖晃速度與涵蓋面積,且每位選手於實際射箭過程中之高分箭,也有顯著較小的身體重心搖晃速度與涵蓋面積,而驗證射箭選手良好身體姿勢平衡控制能力與傑出射箭表現之密切關係。 |
英文摘要 | Purpose: To investigate the differences of postural control (PC) between elite and general collegiate archers during static and shooting conditions. Methods: Nineteen collegiate archers were recruited as elite archers (EA, n=9, FITA scores: 1210.1±19.1 points, age: 20.2±1.6 years, height: 170.0±6.1 cm, weight: 81.2±25.6 kg) and general archers (GA, n=10, FITA scores: 1122.5±47.3 points, age: 20.1±1.0 years, height: 173.3±9.6 cm, weight: 70.1±14.9 kg) according to the scores of single round, International Archery Federation (FITA). PC was measured with a portable three-axis force plate, which sample rate was set at 1,000 Hz as mean radius, velocity, and the sway area of the center of foot pressure (COP) during different testing conditions. The static testing posture included single/double limb(s) standing with open/closed eyes. The shooting testing posture included two times 6 arrows archery shooting for 50 meters. Results: No significant differences were found in static testing condition between groups. However, EA showed significant low COP sway velocity and area in shooting condition than GA (3.53 ± 0.75 vs. 4.42±0.93 mm/s, t=-2.31; 2.98±1.43 vs. 6.50±4.16 mm^2, t=-2.41). Furthermore, the COP sway area was also significant lower during the better high-scores shooting arrows than poor lower shooting scores arrows (4.49±3.70 vs. 5.30±4.29 mm^2, t=-2.48). Conclusions: Elite collegiate archers showed better PC during shooting conditions and high-scores shooting arrows which demonstrated the close relationship between high archery performance and well postural control ability. |
本系統中英文摘要資訊取自各篇刊載內容。