Associations between Inter-Limb Asymmetries in Jump and Change of Direction Speed Tests and Physical Performance in Adolescent Female Soccer Players.
Associations between Inter-Limb Asymmetries in Jump and Change of Direction Speed Tests and Physical Performance in Adolescent Female Soccer Players.
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DOI：
10.3390/ijerph18073474
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发表时间：
2021-03-27
影响因子：
--
通讯作者：
Lozano D
中科院分区：
文献类型：
--
作者：
Pardos-Mainer E;Bishop C;Gonzalo-Skok O;Nobari H;Pérez-Gómez J;Lozano D
在跳跃和方向变化（COD）与物理性能在几个体育运动的不对称之间的关联显示不确定的结果。本研究的目的是：（1）测量三个不同年龄组的青少年女子足球运动员的肢体间不对称性，（2）确定不同年龄组的肢体间不对称性与身体表现之间的关联。54名球员分布在三个年龄组：U-18、U-16和U-14。他们都进行了一系列的跳跃，短跑和改变方向的速度测试。不对称性评估为肢体之间的百分比差异，公式为：100/最大值（右侧和左侧）* in值（右侧和左侧）* −1 + 100。180° COD、单腿跳跃和单腿反向运动跳跃测试的平均肢体间不对称分别为2.91%、4.82%和11.6%，但在许多运动员中观察到更高的不对称百分比。与U-14相比，U-18和U-16在180°左COD上显示出显著差异。效应量（ES）：分别为0.80和0.74;与U-14相比，U-18在单左腿跳跃试验上存在差异，ES：-0.72;与U-14相比，U-16在40 m速度上也存在差异，ES 0.87（所有p < 0.05）。跳跃和COD物理测试显示，在青少年女子足球运动员的不对称性，但这些不对称性不干扰身体的表现。单腿反跳的不对称性最大，组间不存在不对称性，由于不对称性方向的变异性较大，建议在设计具体训练方案时考虑运动员个体的不对称性。
The association between asymmetries in jump and change of direction (COD) with physical performance in several sports show inconclusive results. The purposes of this study were to: (1) measure inter-limb asymmetries in three distinct groups in adolescent female soccer players and, (2) to determine the association between inter-limb asymmetries and physical performance in different age groups. Fifty-four players were distributed in three age groups: U-18, U-16 and U-14. All of them performed a series of jumps, sprints and change of direction speed tests. Asymmetries were assessed as the percentage difference between limbs, with the equation: 100/Max value (right and left) * in value (right and left) * −1 + 100. Mean inter-limb asymmetries were 2.91%, 4.82% and 11.6% for 180° COD, single leg hop and single leg countermovement jump tests respectively, but higher percentages of asymmetries were observed in many players individually. U-18 and U-16 showed significant differences on 180° left COD compared to U-14. Effect size (ES): 0.80 and 0.74, respectively; U-18 presented differences on single left leg hop test compared to U-14, ES: −0.72; U-16 also showed differences on 40 m speed compared to U-14, ES 0.87 (All p < 0.05). Jumping and COD physical tests show asymmetries in adolescent female soccer players, but these asymmetries do not interfere with physical performance. The largest asymmetry was observed in the single leg countermovement jump, and no asymmetries between groups were found. Due to the high variability in the direction of asymmetries, it is recommended to consider players’ individual asymmetries for designing specific training programs.
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