以決策樹分析臺灣優秀射箭青少年選手之競技體能

Analysis of Skill-Related Physical Fitness Among Elite Adolescent Archers in Taiwan Through Decision Tree

羅仁駿(Jen-Chun Lo) ； 曾國維(Kuo-Wei Tseng) ； 吳聰義(Tsung-Yi Wu) ； 賴長琦(Chang-Chi Lai) ； 曾暐晉(Wei-Chin Tseng)

《大專體育學刊》 21卷4期 (2019/12) Pp. 363-374

https://doi.org/10.5297/ser.201912_21(4).0006

摘要

本研究目的探討臺灣優秀青少年射箭選手與其他專項運動選手之身體組成、競技體能之差異，並利用決策樹分析競技體能之特徵參數。招募13個運動項目，男、女生加總共443名進行身體組成、競技體能之比較。結果發現射箭專項青少年男、女選手的體脂率、大腿圍長與視覺對比能力均顯著高於其他專項，但最大攝氧量與啟動爆發力顯著低於其他專項。女子射箭選手的上肢握力與開眼硬地之平衡能力也顯著高於其他專項。決策樹分析發現最大攝氧量、視覺對比、動作反應、握力與開眼硬地之平衡能力均為射箭項目的主要分類節點指標。本研究結論為臺灣優秀射箭青少年選手之競技能力特徵，具有優異的握力表現、平衡能力與視覺對比能力之特質。未來進行射箭選手的選才與訓練時，可將視覺對比與握力列為首要參考指標，期許早日達到科學化選才與育才之發展。

關鍵字

視覺對比 ； 握力 ； 分類

並列摘要

This study aimed to investigate the differences of body composition and skill-related physical fitness variables between elite archers and other specific athletes. Through decisions tree analysis for optimal diagnostic criteria, we expected to provide important suggestions for scientific athlete selection and development in this field. This study recruited total 443 athletes from 13 specific sports to compare their body composition and skill-related physical fitness. We found that body fat percentage, thigh circumference, and visual contrast of young archers were significantly higher than other athletes from specific sports. Nevertheless, the maximum oxygen consumption and explosive force of archers were much lower than other sport athletes. Visual contrast, grip strength, and balance in open-eye on the fixed platform were greater in female archers compared to others. Taken together, maximum oxygen consumption, visual contrast, action-response time, grip strength, and balance in open-eye on the fixed platform are the key classify decision points for archers in the decision tree. This study showed that elite adolescent archers were superior in visual contrast sensitivity, balance abilities, and grip strength. For the selection and training of archers, we suggest that visual contrast sensitivity and grip strength are the most critical indicators.

並列關鍵字

visual contrast ； grip strength ； classify

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