臺灣博碩士論文加值系統

研究背景：蹲舉與弓箭步在訓練中是很常見的動作，訓練課表中及早加入能有預防勝於治療的效果，健身運動近幾年非常流行，衍生出許多訓練器材，但目前為止仍少有相關文獻針對蹲舉與弓箭步搭配各種負重器材對於下肢肌群活化程度的影響進行研究。本研究的目的為比較使用不同的負重器材在蹲舉和弓箭步中的下肢肌電圖分析。方法：本研究招募20名男性大專生為受試對象，實驗動作分別為空手蹲舉、槓鈴蹲舉、啞鈴蹲舉、負重背心蹲舉、壺鈴蹲舉、空手弓箭步、槓鈴弓箭步、啞鈴弓箭步及負重背心弓箭步，每個動作進行10下重複次數，使用Noraxon表面肌電訊號系統收集下肢肌肉活化程度，實驗數據採用重複量數變異數分析，比較下肢肌肉活化程度在不同負重器材的差異，以及比較不同重複次數和初始動作第一下的差異。結果：使用負重器材時下肢肌肉活化程度大部分顯著大於空手時，股直肌肌肉活化程度中啞鈴蹲舉顯著高於壺鈴蹲舉，半腱肌肌肉活化程度中壺鈴蹲舉顯著高於其他三種負重，脛前肌肌肉活化程度中壺鈴蹲舉顯著低於啞鈴和負重背心蹲舉，負重器材蹲舉動作第一下的肌肉活化程度大約與動作第四下到第六下達到顯著差異，負種器材弓箭步動作第一下的肌肉活化程度大約與動作第七下到第九下達到顯著差異。結論：蹲舉和弓箭步訓練中使用負重器材的訓練效果大部分較空手佳，訓練股直肌以啞鈴蹲舉訓練的效果較佳，訓練半腱肌以壺鈴蹲舉訓練的效果較佳，訓練脛前肌以槓鈴及負重背心弓箭步訓練的效果較佳。本研究建議肌力訓練可以針對需要加強之肌肉進行負重器材篩選，並配合建議訓練次數選擇適當次數，能使訓練效果更佳。

Background: Squats and lunges are very common muscle strengthening exercises. Many strenghtening equipments have been developed in recent years, such as barbell and dumbbell. However, there are very few literatures so far to reveal the muscle activation with different loading devices in squat or lunge. Therefore, the purpose of this study was to analyze the effect of different loading strategy on electromyography （EMG） in squats and lunges. Methods: Twenty male college students were recruited in this study. The testing conditions consisted of the unloaded squat, barbell squat, dumbbell squat, loaded vest squat, kettlebell squat, unloaded lunge, barbell lunge, dumbbell lunge, and loaded vest lunge. The muscle activations of lower limbs were collected by surface electromyography system （Noraxon）. ANOVA with repeated measure was used to compare the EMG differences between different testing conditions, as well as between different repetitions in squat or lunge. Results: The EMG activities in the loaded conditions in most testing muscles were significantly higher than those in the unloaded conditions. The vastus medialis had a significantly higher EMG activity in dumbbell squat than in kettlebell squat. The semitendinosus had a significantly higher EMG activity in kettlebell squat than in three other loaded squats. The tibialis anterior had a significantly lower EMG activity in kettlebell squat than in dumbbell squat and loaded vest squat. The EMG activities in the first repetition were significantly different from those in the fourth to seventh repetitions for most testing muscles in squat. The EMG activities in the first repetition were significantly different from those in the seventh to ninth repetitions for most testing muscles in lunge. Conclusions: Based on the EMG findings, the strengthening effects in the loaded squat or lunge were better than in the unloaded ones for most muscles in lower limbs. Specifically, dumbbell squat was great in rectus femoris strengthening while kettlebell squat was great in semitendinosus strengthening. This study suggested that the efficacy of muscle strengthening could be improved if selecting a suitable loading strategy and repetition.

中文摘要I
英文摘要III
謝誌V
目錄VI
圖目錄VIII
表目錄X
第壹章 緒論
第一節 研究背景1
第二節 研究動機3
第三節 研究目的4
第貳章 文獻探討
第一節 蹲舉及弓箭步與下肢傷害的關係5
第二節 蹲舉動作8
第三節 弓箭步動作10
第四節 蹲舉與弓箭步的肌肉活化差異12
第五節 文獻總結14
第參章 研究方法與步驟
第一節 研究對象15
第二節 實驗時間與地點16
第三節 實驗器材與設備17
第四節 實驗動作21
第五節 實驗流程與步驟24
第六節 資料分析28
第七節 統計分析28
第肆章 結果
第一節 受試者基本資料29
第二節 蹲舉中不同負重位置的比較30
第三節 弓箭步中不同負重位置的比較38
第四節 蹲舉中不同次數的比較46
第五節 弓箭步中不同次數的比較55
第伍章 討論
第一節 蹲舉中不同負重位置的探討64
第二節 弓箭步中不同負重位置的探討67
第三節 蹲舉與弓箭步中不同次數的探討70
第四節 研究限制74
第陸章 結論與未來研究發展75
參考文獻 76
附件一82

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