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首页> 外文期刊>Physical therapy in sport: official journal of the Association of Chartered Physiotherapists in Sports Medicine >Reliability of a novel procedure to monitor the flexibility of lower limb muscle groups in highly-trained adolescent athletes
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Reliability of a novel procedure to monitor the flexibility of lower limb muscle groups in highly-trained adolescent athletes

机译：监测受过训练的青少年运动员下肢肌肉群灵活性的新方法的可靠性

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Objectives: To evaluate the reliability level of an innovative method using a standardized stretch force to assess the flexibility of lower limb muscle groups in highly-trained adolescent athletes and to examine whether interchanging the examiners affects the reliability of the measures. Design: Randomized test-retest study. Setting and participants: In ten athletes, the flexibility of eight lower limb muscle groups was examined on two occasions on both sides and in two phases: a video capture by three distinct operators and an analysis by three distinct analysers. The reliability of the measures was assessed by the coefficient of variation (CV, 90% CI). Between-analysers and between-operators standardized differences (i.e., Cohen's d) were calculated. Results: CV (%, 90% CI) were 8.3% (7.5; 9.3) for quadriceps, 3.3% (3.0; 3.7) for hamstrings, 7.2% (6.5-8.0) for adductors, 5.7% (5.1; 6.3) for gastrocnemius, 4.5% (4.0; 5.0) for soleus, 2.6% (2.3; 2.9) for hip flexors, 9.6% (8.6; 10.8) for hip medial rotators and 12.4% (12.2; 14.0) for hip lateral rotators. There was no substantial (i.e., Cohen's d < 0.2) difference in CV between all the possible operators/analysers combinations. Conclusion: This method has a moderate-to-good reliability level and is examiner-independent. It may be implemented in future injury prevention programs, in order to monitor the flexibility of highly-trained adolescent athletes. ? 2012 Elsevier Ltd.
机译：目的：评估使用标准化拉伸力的创新方法的可靠性水平，以评估训练有素的青少年运动员下肢肌肉群的柔韧性，并检查更换检查员是否会影响措施的可靠性。设计：随机重测研究。背景和参与者：在十名运动员中，在两侧和两个阶段分别两次检查了八个下肢肌肉群的柔韧性：三个截然不同的操作员进行视频捕获，并由三个截然不同的分析人员进行了分析。测量的可靠性通过变异系数（CV，90％CI）评估。分析人员之间和运营商之间的标准差（即Cohen d）被计算出来。结果：四头肌的CV（％，90％CI）为8.3％（7.5; 9.3），绳肌为3.3％（3.0; 3.7），内收肌为7.2％（6.5-8.0），腓肠肌为5.7％（5.1; 6.3） ，比目鱼肌占4.5％（4.0; 5.0），髋部屈肌占2.6％（2.3; 2.9），髋关节内侧旋转肌占9.6％（8.6; 10.8），髋关节外侧旋转肌占12.4％（12.2; 14.0）。所有可能的操作员/分析人员组合之间的CV差异不大（即Cohen d <0.2）。结论：该方法具有中等到良好的可靠性水平，并且与检查者无关。它可能会在未来的伤害预防计划中实施，以监控训练有素的青少年运动员的灵活性。 ？ 2012爱思唯尔有限公司

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