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首页> 外文期刊>Scandinavian journal of medicine & science in sports. >Anterior cruciate ligament reconstruction does not induce further gamma loop abnormalities on the intact side of the quadriceps femoris: A longitudinal study
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Anterior cruciate ligament reconstruction does not induce further gamma loop abnormalities on the intact side of the quadriceps femoris: A longitudinal study

机译:前十字韧带重建在Quadriceps股骨的完整侧不会引起进一步的伽马环形异常:纵向研究

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摘要

This study aimed to investigate the effect of surgery on the gamma loop of the quadriceps on the side with an intact knee in patients with anterior cruciate ligament ( ACL ) injuries. We compared longitudinally the response of alpha motor neurons to vibration stimulation of the quadriceps on the side with an intact knee before and after ACL reconstruction. To evaluate alpha motor neuron response, we measured the maximal knee extension strength and integrated electromyography of the vastus medialis, vastus lateralis, and rectus femoris. After obtaining pre‐vibration data from each subject, vibration stimulation was applied to the infrapatellar tendon, and the same measurements were performed immediately after stimulation. The results of this study showed that the response to prolonged vibration stimulation on the intact side of the quadriceps did not differ pre‐ and post‐surgery. As vibration stimuli normally elicit a decrease in alpha motor neuron activity in normal individuals, abnormal responses to prolonged vibration stimulation of the quadriceps on the side with an intact knee might be observed in patients with ACL injuries. The abnormality of the gamma loop of the quadriceps on the side with an intact knee was probably induced by the rupture. Based on these results, we conclude that surgery does not induce further gamma loop abnormalities on the intact side of the quadriceps.
机译:本研究旨在探讨手术对侧面血管γ环γ环的影响,患有前十字韧带(ACL)损伤的患者的完整膝关节。我们纵向比较了α电机神经元的响应在ACL重建之前和之后的完整膝关节侧面的血管刺激。为了评估α电机神经元响应,我们测量了瓦斯杜塞斯的最大膝关节延长强度和集成的肌电学,综合性侧升和直肠股骨。在从每个受试者获得预振动数据后,施加振动刺激施加到初始型肌腱上,并且在刺激后立即进行相同的测量。该研究的结果表明,对QuadRiceps的完整侧的延长振动刺激的反应没有不同的手术后和手术后。由于振动刺激通常引起正常个体中α电机神经元活性的降低,在ACL损伤的患者中可能会观察到延长膝关节延长振动刺激的异常反应。在破裂的情况下可能引起完整膝关节侧面的QuadRiceps的伽马环的异常。基于这些结果,我们得出结论,手术不会在QuadRiceps的完整侧引起进一步的伽马环形异常。

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