判定男性業餘運動員適當的落下跳躍高台高度

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题名:	判定男性業餘運動員適當的落下跳躍高台高度 Determining the Appropriate Height of Drop Jump for Male Non-athletes
作者:	郭功泰 Khuat, Cong Toai
贡献者:	體育學系運動教練碩博士班
关键词:	vertical ground reaction force impulse moment power, jump height
日期:	2013-06
上传时间:	2013-10-03 14:43:32 (UTC+8)
摘要:	Determining the Appropriate Height of Drop Jump for Male Non-athletes June, 2013 Student: Khuat Cong Toai Advisor: Prof. Hsien – Te Peng Abstract Drop jump is one of the most popular plyometric exercises. There is no research suggesting about appropriate drop heights according to subject’s jumping ability. This study aimed to determine the appropriate height of drop jump by percentage of vertical jump heights for male non-athletes. Fifteen physically active college students participated in this study and performed drop jumps from heights of 50, 75, 100, 125 and 150% of vertical jump heights (DJ50–DJ150). Statistical comparisons of vertical ground reaction force (VGRF), impulse, moment, power, contact time and jump height were performed between different drop jump heights. The study found that the peak VGRF during DJ150 was significant greater than the peak VGRF during DJ50, DJ75 and DJ100. The eccentric impulses were significantly different between each drop height. All hip, knee and ankle joints power absorption during DJ125 and DJ150 were significant greater than DJ50 and DJ75. The finding suggested that drop jumps from 125% and 150% of vertical jump height are not recommended because of the lack of biomechanical efficiency and the potentially increased risk of injury. Keywords: vertical ground reaction force, impulse, moment, power, jump height.
显示于类别:	[運動教練研究所] 博碩士論文

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