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首页> 外文会议>ASME Bioengineering Conference >ASSESSING LAXITY CHARACTERISTICS OF HYPEREXTENSION KNEE IN HEALTHY YOUNG FEMALES USING A KNEE LIGAMENT ARTHROMETER
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ASSESSING LAXITY CHARACTERISTICS OF HYPEREXTENSION KNEE IN HEALTHY YOUNG FEMALES USING A KNEE LIGAMENT ARTHROMETER

机译：使用膝关节韧带测量膝关节韧带的健康年轻女性膝盖的松弛特征

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Female athletes are more likely to sustain an anterior cruciate ligament (ACL) injury than male athletes. Previous study has showed that female individuals had larger anterior knee laxity than their male counterparts [1]. Researchers have also reported that knee laxity and hyperextension knee were a possible factor contributing to ACL injury [2]. Loudon showed that a person with hyperextension knee, either healthy or ACL-injured, had poorer proprioceptive control. Even more, ACL-injured subjects with hyperextension knee demonstrated a declined function of proprioception feedback loop and the ability to initiate protective reflexes [3]. To quantify anterioposterior (A-P) displacement of the knee joint, KT-2000 knee ligament arthrometer is frequently used in the individuals suspected with injury of (ACL). Previous studies have investigated the validity and reliability of its previous model, the KT-1000 arthrometer. The major advance of KT-2000 is allow the users to obtain parameters representing knee laxity characteristics not only from the visual read on the dial, but also from the graphic output of an external-connected plotter and from the recorded analogue data to a computer [4]. Although this instrument can provide plenty information regarding to the mechanical property of the knee ligaments, limited published paper has used the recorded analogue data in a computer to further analyze the knee laxity characteristics. To the best of the authors' knowledge, no study has discussed the agreement between the visual-read and the computer-extracted results. The reliability of many parameters calculated from the analogue output has neither been documented. Furthermore, the relation between knee laxity and hyperextension knee has not been investigated in the literature. Therefore, the aims of this study were to establish clinical validity of the computer-extracted results by comparing to the visual-read, to evaluate the intra-rater reliability of the computed parameters firstly, and then to investigate the characteristics of knee laxity in healthy young female with hyperextension knee and compared to who with non-hyperextension knee.
机译：女运动员更可能维持一个前交叉韧带（ACL）损伤比男运动员。以前的研究已经表明，雌性个体具有较大的膝前松弛比男性[1]。研究人员还报告说，膝盖松弛和膝关节过伸了贡献ACL损伤[2]的一个可能因素。劳登表明，过度伸展腿的人，无论是健康还是ACL受伤，不得不较差本体控制。甚至更多，与过伸膝ACL-受伤受试者证实本体感受的反馈回路的下降函数并且启动保护性反射[3]的能力。为了量化膝关节anterioposterior（A-P）位移，KT-2000膝盖韧带关节动与（ACL）的损伤怀疑个人被频繁使用。以前的研究已经调查其以前的模式，KT-1000关节动的有效性和可靠性。 KT-2000的主要进展是允许用户获得参数表示不仅从表盘上的视觉读出，也可以从一个外部连接的绘图仪的图形输出，并从记录的模拟数据到计算机膝盖松弛特性[ 4]。尽管这种仪器可以提供关于到膝盖韧带的机械性能大量信息，限于发表的论文采用了记录的模拟数据在计算机中以进一步分析膝盖松弛特性。为了最好的作者的知识，没有研究讨论了视觉读取和计算机提取出的结果之间的协议。从模拟输出来计算许多参数的可靠性既没有被记载。此外，膝盖松弛和过伸膝盖之间的关系尚未在文献调查。因此，本研究的目的是通过比较视觉阅读的建立计算机提取出的结果的临床有效性，以先评估计算参数的内部信度，然后去查膝盖松弛的健康特性年轻女性膝关节过伸，并与非过伸膝关节谁。

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