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首页> 外文期刊>Journal of orthopaedic research >Patellar tilt correlates with vastus lateralis:vastus medialis activation ratio in maltracking patellofemoral pain patients
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Patellar tilt correlates with vastus lateralis:vastus medialis activation ratio in maltracking patellofemoral pain patients

机译：track骨股骨远端疼痛患者中骨倾斜与股外侧肌：内侧血管激活率相关

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摘要

Patellofemoral (PF) pain is a common ailment of the lower extremity. A theorized cause for pain is patellar maltracking due to vasti muscle activation imbalance, represented as large vastus lateralis:vastus medialis (VL:VM) activation ratios. However, evidence relating vasti muscle activation imbalance to patellar maltracking is limited. The purpose of this study was to investigate the relationship between VL:VM activation ratio and patellar tracking measures, patellar tilt and bisect offset, in PF pain subjects and pain-free controls. We evaluated VL:VM activation ratio and VM activation delay relative to VL activation in 39 PF pain subjects and 15 pain-free controls during walking. We classified the PF pain subjects into normal tracking and maltracking groups based on patellar tilt and bisect offset measured from weight-bearing magnetic resonance imaging. Patellar tilt correlated with VL:VM activation ratio only in PF pain subjects classified as maltrackers. This suggests that a clinical intervention targeting vasti muscle activation imbalance may be effective only in PF pain subjects classified as maltrackers.
机译：ello股（PF）疼痛是下肢的常见病。从理论上讲，疼痛的原因是由于大肌的肌肉激活失衡导致pa骨错位，表现为大的大外侧肌：内侧血管（VL：VM）激活比率。但是，有关vast肌激活失衡与pa骨错位的证据有限。这项研究的目的是调查PF疼痛受试者和无痛对照组中VL：VM激活率与pa骨跟踪测量，pa骨倾斜和二等分偏移之间的关系。我们评估了39名PF疼痛受试者和15名无痛对照的行走过程中VL：VM激活率和相对于VL激活的VM激活延迟。我们根据从tilt骨磁共振成像测得的pa骨倾斜度和二等分偏移量，将PF疼痛受试者分为正常追踪和错误追踪组。 in骨倾斜仅在被分类为追踪者的PF疼痛受试者中与VL：VM激活率相关。这表明针对大块肌肉激活失衡的临床干预措施可能仅对被分类为不良追踪者的PF疼痛对象有效。

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