文化大學機構典藏 CCUR:Item 987654321/39348
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    题名: Optimum Drop Jump Height in Division III Athletes: Under 75 % of Vertical Jump Height
    作者: Peng, HT (Peng, Hsien-Te)
    Khuat, CT (Cong Toai Khuat)
    Kernozek, TW (Kernozek, Thomas W.)
    Wallace, BJ (Wallace, Brian J.)
    Lo, SL (Lo, Shin-Liang)
    Song, CY (Song, Chen-Yi)
    贡献者: 體育系
    关键词: kinematics
    kinetics plyometric exercise
    inverse dynamics
    stretch shortening cycle
    日期: 2017-10
    上传时间: 2018-01-25 14:32:50 (UTC+8)
    摘要: Our purpose was to evaluate the vertical ground reaction force, impulse, moments and powers of hip, knee and ankle joints, contact time, and jump height when performing a drop jump from different drop heights based on the percentage of a performer's maximum vertical jump height (MVJH). Fifteen male Division III athletes participated voluntarily. Eleven synchronized cameras and two force platforms were used to collect data. One-way repeated-measures analysis of variance tests were used to examine the differences between drop heights. The maximum hip, knee and ankle power absorption during 125 % MVJH and 150 % MVJH were greater than those during 75 % MVJH. The impulse during landing at 100 % MVJH, 125 % MVJH and 150 % MVJH were greater than 75 % MVJH. The vertical ground reaction force during 150 % MVJH was greater than 50 % MVJH, 75 % MVJH and 100 % MVJH. Drop height below 75 % MVJH had the most merits for increasing joint power output while having a lower impact force, impulse and joint power absorption. Drop height of 150 % MVJH may not be desirable as a high-intensity stimulus due to the much greater impact force, increasing the risk of injury, without increasing jump height performance.
    關聯: INTERNATIONAL JOURNAL OF SPORTS MEDICINE 卷: 38 期: 11 頁碼: 842-846
    显示于类别:[體育學系] 期刊論文

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