Kneeling Leg Curl with Internal Rotation Training Improves Agility in Patients with Anterior-posterior Laxity of Knee

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Title:	Kneeling Leg Curl with Internal Rotation Training Improves Agility in Patients with Anterior-posterior Laxity of Knee
Authors:	吳致寬;黃書群;陳冠州;賴政秀;郭家驊;周適偉
Keywords:	Anterior cruciate ligament;Laxity;Muscle strengthening;Athletic performance
Date:	2013-03
Issue Date:	2018-07-30 09:58:01 (UTC+8)
Abstract:	Objective: Whether strengthening exercises emphasizing on internal rotators of the knee are more effective in improving shuttle-run agility of the knees with anterior-posterior laxity (AP laxity). Methods: Twenty men with AP laxity of knee were randomly assigned to the three experimental groups in different strengthening modes: plate-loaded squat press (SP), plate-loaded kneeling leg curl with internal rotation (KLCIR), and kneeling leg curl (KLC). Control group with stable knees received no training. Anterior-posterior laxity, shuttle-run agility, and isokinetic strength were evaluated before and after training. Results: Those with AP laxity of knee have poorer performance in the shuttle run test than their contralateral sound side, and this vulnerability is improved after six-week SP or KLCIR training. Isokinetic strength of medial hamstring is increased after KLICR and SP training. The anterior displacement by KT 2000 are decreased among the three training groups. Conclusions: KLCIR, as SP, emphasizing knee internal rotators, enhances both AP laxity and shuttle-run agility. KLCIR can be either an advanced or an alternative mode to SP in the strengthening exercise of knees with AP laxity.
Relation:	臺灣復健醫學雜誌，41卷1期，頁21-30
Appears in Collections:	[Department of Sports Sciences] Periodical Articles

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