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首页> 外文期刊>Research in sports medicine >Relationship between electromyographic activity of knee joint muscles with vertical and posterior ground reaction forces in anterior cruciate ligament reconstructed patients during a single leg vertical drop landing task
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Relationship between electromyographic activity of knee joint muscles with vertical and posterior ground reaction forces in anterior cruciate ligament reconstructed patients during a single leg vertical drop landing task

机译：膝关节肌垂直和后部反应力在单腿垂直下降落地任务期间膝关节肌垂直和后地反作用力的膝关节肌肉肌肉肌肉中的关系

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摘要

The objective of the present study is to examine the relation between activity patterns of knee joint muscles with vertical and posterior ground reaction forces (VGRF and PGRF, respectively) in patients after anterior cruciate ligament reconstruction (ACLR). Twenty males post-ACLR participated in this cross-sectional study. The association between muscle activity with VGRF and PGRF was assessed during a single leg vertical drop-landing task. There were strong negative associations between preparatory VL, VM and MG activity and PGRF (P< 0.05). Strong positive associations were found between reactive VM and LH activity with PGRF (P< 0.05). Preparatory co-activation of VM: MH had significant negative associations with VGRF (P< 0.05) and reactive co-activation of VL:LH had a significant positive relation with PGRF(P< 0.05). Greater preparatory activity and co-activation of knee muscles were associated with lower peak PGRF and VGRF, whereas greater reactive activity and co-activation of knee muscles was associated with greater peak PGRF and VGRF. According to our findings, both activity and co-activation of knee muscles during the preparatory phase were associated with reduced PGRF and VGRF, respectively in ACLR patients; thus, incorporating exercises in order to increase preparatory activity and co-activation of knee joint muscles into rehabilitation programs in ACLR patients seems necessary.
机译：本研究的目的是在前令韧带重建（ACLR）后，在患者中检查膝关节肌肉活动模式（分别分别在患者中的膝关节肌（VGRF和PGRF）之间的关系。二十名男性在ACLR后参加了这个横断面研究。在单个腿部垂直滴加任务期间评估了VGRF和PGRF之间的肌肉活动之间的关联。预备VL，VM和Mg活性和PGRF之间存在强烈的负关联（P <0.05）。在具有PGRF的反应性VM和LH活性之间发现强阳性关联（P <0.05）。 VM的预备共激活：MH与VGRF具有显着的负关联（P <0.05），VL的反应共激化与PGRF具有显着的阳性关系（P <0.05）。膝关节肌的更高的预备活性和膝关节肌的共激化与较低的峰PGRF和VGRF相关，而更大的反应活性和膝关节肌的共激活与更高的PGRF和VGRF有关。根据我们的研究结果，在预备期间的膝关节肌肉的活动和共激活分别与ACLR患者的降低的PGRF和VGRF相关;因此，掺入练习以增加膝关节肌的准备活性和共激活膝关节肌的康复程序，似乎是必要的。

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