Two-dimensional knee valgus displacement as a predictor of patellofemoral pain in adolescent females
Two-dimensional knee valgus displacement as a predictor of patellofemoral pain in adolescent females
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DOI：
10.1111/sms.12633
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发表时间：
2017-02-01
影响因子：
4.1
通讯作者：
Delahunt, E.
中科院分区：
文献类型：
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作者：
Holden, S.;Boreham, C.;Delahunt, E.
髌股关节痛(PFP)是青春期女性常见的下肢肌肉骨骼损伤。与对照组相比，PFP组女运动员的膝关节前平面活动度增加。目前的研究旨在前瞻性地确定着陆过程中的二维膝关节外翻移位是否可以预测发生PFP的风险。76名无损伤的青少年女运动员(年龄=12.9+/-0.35岁)。在基线时，参与者从31厘米的盒子里进行了三次垂直跳跃试验。用标准摄像机记录额平面膝关节运动学。在24个月的随访中，8名参与者患上了PFP，这是由特许理疗师诊断的。膝关节外翻移位发生者显著高于未发生者(平均差异=7.79度；P=0.002；部分预计值平方=0.07)。膝关节外翻移位>；=10.6度预测PFP的灵敏度为0.75，特异度为0.85。相关的阳性似然比为5。这些结果具有临床意义，提示二维分析可以用于筛查青春期女运动员PFP风险的增加。
Patellofemoral pain (PFP) is a prevalent lower limb musculo-skeletal injury in adolescent females. Female athletes with PFP display increased frontal plane knee joint motion in comparison to control subjects. The current investigation aimed to determine prospectively whether two-dimensional knee valgus displacement during landing could predict the risk of developing PFP. Seventy-six injury-free adolescent female athletes (age = 12.9 +/- 0.35 years) participated. At baseline participants performed three drop vertical jump trials from a 31-cm box. A standard video camera was used to record frontal plane knee joint kinematics. Over the 24-month follow-up, eight participants developed PFP, as diagnosed by a Chartered Physiotherapist. Knee valgus displacement was significantly increased in those who developed PFP compared to those who did not (mean difference = 7.79 degrees; P = 0.002; partial eta squared = 0.07). Knee valgus displacement >= 10.6 degrees predicted PFP with a sensitivity of 0.75 and specificity of 0.85. The associated positive likelihood ratio was 5. These results have clinical utility suggesting that two-dimensional analysis could be implemented to screen for increased risk of PFP in adolescent female athletes.