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首页> 美国卫生研究院文献>Scientific Reports >Reliability of two methods for identifying the timing of medium latency responses in subjects with and without chronic ankle instability
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Reliability of two methods for identifying the timing of medium latency responses in subjects with and without chronic ankle instability

机译：两种方法在患有和不患有慢性踝关节不稳的受试者中确定中度潜伏期反应时间的方法的可靠性

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This study aims to: (1) to compare 2 methods of assessing the timing of medium latency responses (MLR), in regard to intrasession reliability and mean values, in subjects with and without chronic ankle instability (CAI), and (2) to analyze the influence of CAI in timing of MLR and in its reliability. Thirty six athletes with (16) and without (20) CAI participated. Bilateral electromyography of peroneus longus (PL), peroneus brevis (PB), tibialis anterior (TA) and soleus (SOL) muscles was collected during a unilateral sudden inversion perturbation to assess the timing of MLR onset, in both standing and perturbed positions, through a baseline-based method and a peak-response-based method. The group without CAI presented higher relative reliability of SOL and peroneal muscles MLR with the peak response-based method than with the baseline-based method. Compared with the group without CAI and in both methods, the group with CAI presented a delayed and less reliable TA MLR, as well decreased coefficient variation of PL MLR in the uninjured limb. In conclusion, regardless of the method subjects with CAI present delayed and less reliable TA MLR while in subjects without CAI the peak response-based method provides higher reliability.
机译：这项研究的目的是：（1）比较两种评估患有和不患有慢性踝关节不稳（CAI）的受试者的中等潜伏期反应（MLR）时机的时效可靠性和均值的方法，以及（2）分析了CAI对MLR定时及其可靠性的影响。有（16）和没有（20）CAI的36名运动员参加了比赛。在单侧突然内翻扰动过程中收集了腓骨长直肌（PL），腓骨短腓肌（PB），胫前肌（TA）和比目鱼肌（SOL）的双侧肌电图，以评估MLR发作的时机，包括站立和受扰位置基于基线的方法和基于峰响应的方法。与基于基线的方法相比，基于峰值响应的方法不使用CAI的组的SOL和腓骨MLR的相对可靠性更高。与不使用CAI的组和两种方法相比，使用CAI的组在未受伤肢体中表现出延迟和较不可靠的TA MLR，以及PL MLR的系数变化减少。总之，无论采用哪种方法，使用CAI的受试者都会出现延迟且可靠性较低的TA MLR，而在没有CAI的受试者中，基于峰响应的方法将提供更高的可靠性。

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