期刊
JOURNAL OF STRENGTH AND CONDITIONING RESEARCH
卷 29, 期 5, 页码 1240-1247出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1519/JSC.0000000000000693
关键词
Star Excursion Balance Test; bilateral asymmetry; active range of motion; injury risk; performance
Joint flexibility, bilateral asymmetries in flexibility, and bilateral asymmetries in performance of the Y Balance Test have been associated with injuries. However, relationships among these attributes are unclear. The goal of this investigation was to examine how flexibility and flexibility asymmetries relate to the Y Balance Test. Twenty healthy active young adults (9 men and 11 women; mean +/- SD: age = 21.9 +/- 2.6 years; height = 171 +/- 8.8 cm; mass = 67.2 +/- 1.9 kg) performed 9 different lower extremity active range of motion (AROM) tests and the Y Balance Test in a single visit. Significant correlations (p <= 0.05) existed between bilateral average AROM measures and bilateral average Y Balance Test scores at the ankle and hip. Specifically, ankle dorsiflexion AROM at 08 knee flexion significantly correlated with Anterior, Posterolateral, and Composite directional scores of the Y Balance Test (r = 0.497-0.736). Significant correlations in ankle dorsiflexion AROM at 908 knee flexion also existed with Anterior, Posterolateral, Posteromedial, and Composite directional scores (r = 0.472-0.795). Hip flexion AROM was significantly correlated with Posterolateral, Posteromedial, and Composite directional scores (r = 0.457-0.583). Significant correlations between asymmetries in AROM and asymmetries in the Y Balance Test existed only in ankle plantarflexion with Anterior, Posterolateral, and Composite directional scores of the Y Balance Test (r = 0.520-0.636). Results suggest that when used with recreationally active healthy adults, the Y Balance Test may help identify lower-extremity flexibility deficits and flexibility asymmetries in the ankle and hip regions but may need to be used in conjunction with additional tests to understand a broader picture of functional movement and injury risk.
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