缺血預適應的介入對下蹲跳表現的立即性影響

Acute Effects of Ischemic Preconditioning on Counter Movement Jump Performance

陳哲修(Che-Hsiu Chen) ； 張婷婷(Ting-Ting Chang) ； 許年瑩(Nian-Ying Hsu) ； 郭靖(Jing Kao) ； 王令儀(Li-I Wang)

《運動教練科學》 43期 (2016/09) Pp. 9-16

https://doi.org/10.6194/SCS.2016.43.02

摘要

目的：本研究主要在評估熱身後介入缺血預適應（ischemia preconditioning, IPC）處理，對下蹲跳的運動表現及下肢肌肉柔軟度的立即性影響為何。方法：本研究以12 位體育系健康男性進行5 分鐘慢跑熱身後，即針對參與者雙腿進行IPC 處理（運用束縛帶加壓到220 mmHg，反覆3 回合，回合間休息5 分鐘）。所有依變項須在IPC 處理之前與處理之後進行測量。研究以數位電子量角器測量股四頭肌與腿後腱肌柔軟度，並且在下蹲跳動作測試中，透過高速攝影分析系統測量下肢關節活動範圍，並以測力板量測跳躍高度與地面反作用力。研究數據以Student's t-test 分析評估IPC 介入之前測值及介入後測值之差異情形，顯著水準設定為α = .05。結果：本研究結果顯示，IPC 處理後，對股四頭肌及腿後腱肌柔軟度無提供顯著增進效益（p ＞ .05）及跳躍時下肢關節活動範圍（p＞ .05）。但IPC 的介入後則會顯著的降低跳躍高度與地面反作用力峰值（p ＜ .05）。結論：本研究推論，在下蹲跳運動之前進行IPC 介入，可能不利於跳躍表現。

關鍵字

關節活動範圍 ； 爆發力 ； 垂直跳

並列摘要

Purpose: The study aimed to assess the effect of warm-up incorporating IPC on counter movement jump (CMJ) performance and muscle flexibility. Methods: Twelve healthy college physically activity male volunteers underwent warm-up of 5 minutes running, followed by IPC treatment. The IPC was performed in both upper thighs in turn for 3 cycles of 5-min arterial occlusion using a cuff inflated to 220 mmHg and 5-min relaxation in between. Dependent variables were measured immediately before and after the IPC. A digital inclinometer measured flexibility for quadriceps and hamstrings. A high speed camera and a force plate were used to record the lower extremity kinematics data, CMJ height and ground reaction forces, respectively. The Student's t-test was used to test for differences in dependent variables between baseline and post IPC treatment. Statistical significance was set at α = .05. Results: IPC does not offer any significant benefits for quadriceps and hamstrings flexibility (p ＞ .05). The IPC had no effect on ankle, knee and hip range of motion (p ＞ .05) during the CMJ. The IPC significantly reduced jump height and peak ground reaction force (p ＜ .05) during the CMJ. Conclusions: The repetitive ischemic preconditioning applied to the lower limbs may impair counter movement jump performance.

並列關鍵字

range of motion ； explosive ； vertical jump

參考文獻

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