抓舉、懸垂抓與墊鈴抓動作之軀幹和下肢運動學分析

KINEMATIC ANALYSIS OF TRUNK AND LOWER LIMB FOR SNATCH, HANG SNATCH AND BOX SNATCH

10.3966/207332672017121402006

黃義淵(Yi-Yuan Huang)；張立羣(Li-Chun Chang)

競技舉重 ； 生物力學 ； 技術訓練 ； weightlifting ； biomechanics ； technical training

華人運動生物力學期刊

14卷2期（2017 / 12 / 01）

38 - 44

繁體中文

目的：比較抓舉、懸垂抓與墊鈴抓在軀幹和下肢動作的特徵和差異。方法：以8名大專院校男性舉重運動員為研究對象，利用兩台數位攝影機拍攝抓舉、懸垂抓與墊鈴抓動作過程，分析從運動員伸展髖關節將槓鈴推離開身體瞬間至接槓瞬間的動作，利用動作分析系統進行三度空間數位化處理，以獲得運動學參數資料，來比較三種動作的軀幹和下肢動作之差異。結果：懸垂抓與墊鈴抓只有在髖關節推離槓鈴瞬間之髖關節角度顯著大於抓舉；懸垂抓在髖關節推離槓鈴、槓鈴最遠離身體和槓鈴最大高度瞬間之軀幹角度顯著大於抓舉，而墊鈴抓在槓鈴最遠離身體瞬間之軀幹角度顯著大於抓舉。結論：懸垂抓和墊鈴抓的下肢動作與抓舉相似，僅在軀幹運動上比抓舉有較大的軀幹後仰情形，整體而言，三種動作的肢體運動模式相似，懸垂抓與墊鈴抓可作為抓舉技術訓練的課程。

Purpose: The purpose of this study was to compare the kinematic of the snatch, the hang snatch and the box snatch. Methods: Two digital cameras were used to records joint angle data from 8 male University weightlifters while they performed the three movements. Former hip joints to push the bar away from his body after catching the bar overhead as the scope of analysis, used the Kwon 3D motion analysis system to obtain 3-dimensional trunk and lower limb kinematic parameters. Results: Regarding the lower limb kinematic, we found that the hip joint of the hang snatch and the box snatch was significantly greater than the snatch at the hip joints to push the bar away from his body events. The trunk joint angle data demonstrated trunk joint of the hang snatch was significantly greater than the snatch at the hip joints to push the bar away from his body , the barbell away from the body and the barbell reaching its maximum vertical height , events. While trunk joint of the box snatch was significantly greater than snatch at the the barbell away from the body events. Conclusions: The lower limb joint angle of the hang snatch and the box snatch were similar to snatch. Only in the trunk joint angle, the hang snatch and the box snatch has larger trunk backwards situation. The hang snatch and the box snatch can be used as a course for the snatch technical training.

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