Cejudo Antonio, Ayala Francisco, De Baranda Pilar Sainz, Santonja Fernando
INACUA Sports Centre, Murcia, Spain.
Sports Research Centre, Miguel Hernández University of Elche, Alicante, Spain. ISEN University Formation, center affiliate to the University of Murcia.
Int J Sports Phys Ther. 2015 Dec;10(7):976-83.
An inadequate level of flexibility of the adductor muscles is one of the most critical risk factors for chronic groin pain and strains. However, measurement methods of adductor muscle flexibility are not well defined.
To determine the inter-session reliability of the biarticular and monoarticular adductor muscle flexibility measures obtained from passive hip abduction with the knee flexed over the edge of the plinth test (PHA) and the passive hip abduction test at 90° of hip flexion (PHA90°).
Clinical Measurement Reliability study.
Fifty healthy recreational athletes participated in this study. All participants performed the PHA and PHA90° on four different occasions, with a two-week interval between testing sessions. Reliability was examined through the change in the mean between consecutive pairs of testing sessions (ChM), standard error of measurement expressed in absolute values (SEM) and as a percentage of the mean score (%SEM), minimal detectable change at 95% confidence interval (MDC95), and intraclass correlation coefficients (ICC2,k).
The findings showed negligible or trivial ChM values for the two adductor flexibility measures analyzed (<2°). Furthermore, the SEM and MDC95 were 2.1° and 5.9° and 2.2° and 6.2° for the measures obtained from the PHA and PHA90°, respectively, with %SEM scores lower than 5% and ICC scores higher than 0.90.
The findings from this study suggest that the adductor muscle flexibility measures analyzed have good to excellent inter-session reliability in recreational athletes. Thus, clinicians can be 95% confident that an observed change between two measures larger than 5.9° and 6.2° for the flexibility measures obtained from the PHA and PHA90°, respectively, would indicate a real change in muscle flexibility.
内收肌柔韧性不足是慢性腹股沟疼痛和拉伤的最关键风险因素之一。然而，内收肌柔韧性的测量方法尚未明确界定。
确定通过在检查台边缘屈膝被动髋外展试验（PHA）和髋关节屈曲90°时的被动髋外展试验（PHA90°）获得的双关节和单关节内收肌柔韧性测量的不同测量间可靠性。
临床测量可靠性研究。
50名健康的业余运动员参与了本研究。所有参与者在四个不同的时间进行PHA和PHA90°测试，测试之间间隔两周。通过连续测试对之间的均值变化（ChM）、以绝对值表示的测量标准误差（SEM）及其占平均得分的百分比（%SEM）、95%置信区间的最小可检测变化（MDC95）以及组内相关系数（ICC2,k）来检验可靠性。
研究结果显示，所分析的两种内收肌柔韧性测量的ChM值可忽略不计或微不足道（<2°）。此外，PHA和PHA90°测量的SEM和MDC95分别为2.1°和5.9°以及2.2°和6.2°，%SEM得分低于5%，ICC得分高于0.90。
本研究结果表明，所分析的内收肌柔韧性测量在业余运动员中具有良好至极优的不同测量间可靠性。因此，临床医生可以95%确信，对于分别通过PHA和PHA90°获得的柔韧性测量，两次测量之间观察到的大于5.9°和6.2°的变化将表明肌肉柔韧性的实际变化。
2级。
