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題 名 | 電刺激訓練對於正常年輕人股四頭肌肌力之影響=The Influence of Electrical Stimulation on Strength of Quadriceps Femoris in Healthy Male |
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作 者 | 孫世恆; 吳昇光; 郭美英; 林嘉音; 張永賢; | 書刊名 | 中華民國物理治療學會雜誌 |
卷 期 | 23:2 1998.04[民87.04] |
頁 次 | 頁106-116 |
分類號 | 418.996 |
關鍵詞 | 電刺激; 肌力訓練; 等長肌力; 等速向心肌力; 等速離心肌力; Electrical stimulation; Isometric strength; Isokinetic strength; Muscle strengthening; |
語 文 | 中文(Chinese) |
中文摘要 | 神經肌肉電刺激已廣泛應用於臨床神經肌肉的復健工作上。近幾年來, 劑量化強度的神經電刺激方法則上未有顯著的發現。 本篇研究的目的在於探討二種不同劑量強度的電刺激對於正常年輕男性股四頭 肌之(1)等長肌力、(2)等速向心肌力、(3)等速離心肌力、(4)大腿腿圍及皮脂厚、 (5)運動能力的影響。23位年輕男性受試者志願參與本實驗,本研究中所使用的電 刺激訓練模式為訓練非慣用腳,將2500Hz之中頻正弦波調制成每秒50個波組,每 次電刺激10秒休息50秒,每次訓練電刺激15次,每週訓練三次,共訓練四週。對 30MVC組以最大等長自主收縮肌力之30作為電刺激強度,對60MVC組則以最大等 長自主收縮肌力之60為電刺激強度,控制組則不進行電刺激訓練。電刺激訓練前 後進行肌力及運動能力的測試,測試的項目包括雙腳股四頭肌等長肌力、等速離 心肌力、等速向心肌力及運動能力的測試。所有的肌力測量及電刺激時之肌力測 量皆以Kin-Com等速測力機進行。 結果顯示(1)相對於控制組,60MVC組及30MVC組之非慣用腳在等速離心肌力皆 有顯著增加。(2)60MVC組非慣用腳在等長肌力進步百分比方面較30MVC組及控 制組有顯著增加。(3)在運動能力方面,三組訓練前後並無顯著差異。 結果證實特定且定量化的電刺激訓練對於股四頭肌等速肌力及等張肌力有增加 的效果。發展量化的電刺激訓練計劃對於肌肉訓練及復健運動為相當重要的方 法。(中華物療誌1998;23(2):106-116) |
英文摘要 | Neuromuscular electrical stimulation (NMES)has been used as a neuromuscular rehabilitationmethod for many years. Recently, quantitativeNMES intensity on muscular strength traininghas not been reported with significant findings.We investigate if different electrical stimulationintensity showed different effects in increasingmuscle strength of quadriceps femoris(QF), thighcircumference and athletic performance of healthymen. The ES training mode in this study wasquantified and using median frequency(2500Hz)stimulation that modulated to 50 bursts persecond. The intensity of ES was set at 60 and30 of maximal voluntary isometric contraction(MVC) of QF at knee flexion 60 degree. 23healthy male were randomly assigned into 60MVC(N=7), 30 MVC(N=7) and control group(N=9). 12 training sessions each included 15 timesof ES to QF of non-donninant(ND) side lasted for4 weeks. The ES duty cycle was 10 seconds of ES which induced isometric contraction at kneeflexion 60 degree and then 50 seconds for rest.The isometric, concentric, and eccentric strengthof both thighs were evaluated by Kin-Corn 500Hbefore and after ES training. The athletic performance and fat composition were tested as well.The results showed 1. The isometric strengthincreased percentage of ND-QF of 60 MVCgroup were significant greater than 30 MVCgroup and control group at knee flexion 90 and60 degree. 2. The ND eccentric strength at different speed all increased significantly in 60 MVCand 30 MVC groups with comparison to thecontrol group. 3. No significant improvement inthe athletic performance was found in eithergroup. The results suggested that the ES training appeared to be effective in developing isokinetic and isometric strength of QF, but no influence to the athletic performance and fat composition. (JPTA ROC 1998;23(2):106-116) |
本系統中英文摘要資訊取自各篇刊載內容。