Alterations of kinetic characteristics in step up and over test in patients with anterior cruciate ligament deficiency

中國醫藥大學機構典藏 China Medical University Repository, Taiwan > 健康照護學院 > 物理治療學系暨復健科學碩士班 > 期刊論文 > Item 310903500/28450

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题名:	Alterations of kinetic characteristics in step up and over test in patients with anterior cruciate ligament deficiency
作者:	林秀真(Hsiu-Chen Lin);許弘昌(Horng-Chaung Hsu);張家銘(Chia-Ming Chang);邱沛雯(Pei-Wen Chiou);呂東武(Tung-Wu Lu)*
贡献者:	健康照護學院物理治療學系
关键词:	Knee;ACL deficiency;kinetics;locomotion;step activity
日期:	2010-09
上传时间:	2010-09-23 19:55:47 (UTC+8)
摘要:	The purpose of this study is to investigate the alterations of kinetic characteristics in the step up/over test in patients with acute and chronic anterior cruciate ligament (ACL) deficiency. Twenty acute, twenty chronic ACL-deficient (ACLD) patients, and forty healthy controls participated in this study. The step up/over test was performed on a clinical force platform system to obtain the following variables: movement time, lift-up index and impact index. The percentages of the indexes from the stepping leg and time of step-up and swing- over were further calculated. These variables were examined statistically by using mixed repeated measure analysis of variance to reveal the differences between groups and between limbs. Smaller lift-up forces and longer swing-over time in both ACLD groups than those in the control group were found. One exception was the lift-up index in the affected side condition of the acute ACLD group, which was not significantly different from the controls. A reduced contribution to the impact index from the affected stepping leg was also found in the acute ACLD group. The acute ACLD group showed no significant change in their step-up strategy at the affected limbs, but they may have a poorer eccentric control of the affected knees on the step and thus put a larger portion of loading onto the unaffected landing leg. Our results indicated the lift-up index, swing-over time and load- distributing strategy at impact may be important parameters in monitoring functional recovery in patients with ACL deficiency. The detected alterations in these parameters could be used as a reference to design proper rehabilitation exercises for these patients.
關聯:	Journal of Sports Science and Medicine 9:472-479
显示于类别:	[物理治療學系暨復健科學碩士班] 期刊論文

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