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首页> 外文期刊>Physiotherapy theory and practice >Impairment in people with anterior cruciate ligament reconstruction in adjusting ground reaction force in running.
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Impairment in people with anterior cruciate ligament reconstruction in adjusting ground reaction force in running.

机译：患有前交叉韧带重建障碍的人在跑步中调节地面反作用力。

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摘要

In healthy individuals, maximum vertical ground reaction force (MVGRF) remains close to constant during constant velocity running, despite variation in stiffness of the surface underfoot. Because the anterior cruciate ligament (ACL) possesses mechanoreceptors that influence recruitment of knee muscles, it may play a role in regulation of lower limb force output. This study was designed to examine the effect of recent ACL reconstruction on MVGRF in running. Seven patients who were 5-13 weeks post-ACL reconstruction and 7 healthy participants ran for 60 seconds in shoes modified with hard and with soft 1-cm outsoles. The MVGRF during running was measured for the ACL reconstructed and nonsurgical limbs of patients and limbs of healthy participants. The difference in MVGRF between running in hard and soft shoes was significantly greater in ACL reconstructed limbs than nonsurgical limbs (p = 0.003) and compared to limbs of healthy participants (p = 0.001). In contrast, a difference in MVGRF between shoes was not found between patients' nonsurgical limbs and those of healthy participants. A lack of mechanoreceptive feedback from the ACL graft may be among the factors explaining the difference between the ACL reconstructed limbs and the other two limb conditions.
机译：在健康个体中，最大的垂直地面反作用力（MVGRF）在恒速行驶过程中保持接近恒定，尽管脚底表面的硬度有所变化。由于前十字韧带（ACL）具有影响膝关节肌肉募集的机械感受器，因此它可能在下肢力量输出的调节中发挥作用。本研究旨在检查跑步中最近ACL重建对MVGRF的影响。 ACL重建后5-13周的7例患者和7名健康参与者在用硬和软的1厘米大底修饰的鞋子中跑了60秒。测量跑步过程中的MVGRF，以检查患者的ACL重建肢体和非手术肢体以及健康参与者的肢体。在ACL重建肢体中，在硬鞋和软鞋中跑步之间的MVGRF差异明显大于非手术肢体（p = 0.003），并且与健康受试者的肢体相比（p = 0.001）。相反，在患者的非手术肢体与健康参与者的肢体之间未发现鞋子之间的MVGRF差异。 ACL移植物缺乏机械感受性反馈可能是解释ACL重建肢体与其他两个肢体状况之间差异的因素之一。

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