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| 題 名 | Use of Superimposition Technique in Detecting Quadriceps Activation Failure in Patients after Anterior Cruciate Ligament Reconstruction=前十字韌帶重建手術病人股四頭肌活化不能之研究 |
|---|---|
| 作 者 | 溫雁凱; 施怡芬; | 書刊名 | 物理治療 |
| 卷 期 | 36:3 2011.09[民100.09] |
| 頁 次 | 頁167-178 |
| 分類號 | 418.996 |
| 關鍵詞 | 前十字韌帶重建; 股四頭肌抑制; 外加電刺激脈衝; 肌力; Anterior cruciate ligament reconstruction; Quadriceps inhibition; Burst superimposition; Muscle strength; |
| 語 文 | 英文(English) |
| 中文摘要 | 膝關節疼痛病人常見股四頭肌活化不能(quadriceps activation failure)的問題。本篇研究主要目的在探討股四頭肌主動收縮肌力與其主動收縮時經由外加電刺激(superimposed electrical stimulation)引發之肌震顫強度(twitch force)之關聯性,並藉此計算股四頭肌活化不能的程度。方法:本研究收取十六位男性與四位女性成年、無膝關節疼痛者為控制組,以及十七位經過前十字韌帶重建手術後之病人為實驗組。研究以KINCOM等速肌力測試儀測量股四頭肌最大主動收縮及不同程度之次大收縮肌力;受試者進行肌肉收縮同時,經由表面電極給予股四頭肌電刺激脈衝,並紀錄電刺激引起之肌震顫強度。我們以皮爾森氏相關係數(Pearson's correlation coefficient)驗定主動收縮飢力與電刺激引起之肌震顫強度之關聯性。結果:控制組受試者之股四頭肌最大收縮皆無股四頭肌收縮異常的現象,實驗組則僅三人達到股四頭肌完全活化(fully activated)的情形。所有受試者之肌震顫強度與主動收縮肌力相關係數為-0.949(p=0.0001),控制組為-0.888±0.89(p<0.05),病人則為-0.828±0.014(p<0.05)。前十字韌帶重建後之病人,以迴歸方程式預測其股四頭肌完全活化之肌力值較測量值大25%,顯示膝關結手術後有股自頭肌活化不足的現象。結論:外加電刺激脈衝(burst superimposition technique)之方式,可用於臨床或研究偵測股四頭肌活化情形,提供治療目標設定之重要依據。 |
| 英文摘要 | Background: Quadriceps activation failure is a common phenomenon in patients with knee problems. The main purpose of this study was to examine the relationship between the voluntary muscle forces and the corresponding electrical stimulation elicited twitch forces, and to determine the level of quadriceps activation failure. Methods: Twenty adult subjects (16 male and 4 female) without knee pathology and seventeen patients (15 male and 2 female) who have undergone anterior cruciate ligament (ACL) reconstruction surgery participated in the study. The maximum voluntary contraction force and nine submaximum forces were measured using a KINCOM isokinetic dynamometer. The electrical stimulation was delivered at rest and during voluntary contraction. A Pearson's correlation coefficient and a regression equation were calculated for each subject, and for pooled data in the group of subjects without knee pathology. Results: The maximum voluntary contraction force with fully activated muscle fiber was reached for all subjects without knee pathology and for three of the patient subjects. The correlation coefficients between the twitch force and the voluntary force were -0.95 in the pooled data (p = 0.0001), -0.89±0.89(p<0.05) for the subjects without knee pathology, and -0.83±0.01(p<0.05) for the patients with ACL reconstruction. The measured maximum voluntary force in subjects after ACL reconstruction was 25% lower than the estimated value, which indicating insufficient quadriceps activation after knee surgery. Conclusions: The burst superimposition technique can be used to measure the level of quadriceps activation in healthy adults and in patients after ACL reconstruction and to guide the treatment goal setting in the physical therapy clinic. |
本系統中英文摘要資訊取自各篇刊載內容。