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首页> 外文期刊>Journal of athletic training >Sport Specialization and Coordination Differences in Multisport Adolescent Female Basketball, Soccer, and Volleyball Athletes
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Sport Specialization and Coordination Differences in Multisport Adolescent Female Basketball, Soccer, and Volleyball Athletes

机译：青少年多运动女子篮球，足球和排球运动员的运动专业化和协调差异

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Context Early sport specialization, or the participation in 1 sport year-round to the exclusion of all others, is a growing concern in youth athletics because of its possible association with musculoskeletal injury. The underlying injury risk may be the result of coordination differences that sport-specialized athletes have been speculated to exhibit relative to multisport athletes; however, little evidence exists to support or refute this notion. Objective To examine relative hip- and knee-joint angular-motion variability among adolescent sport-specialized and multisport female adolescent athletes to determine how sport specialization may affect coordination. Design Cohort study. Setting Research laboratory. Patients or Other Participants A total of 366 sport-specialized and 366 multisport adolescent female basketball, soccer, and volleyball players. Intervention(s) Drop–vertical-jump (DVJ) assessment. Main Outcome Measure(s) Average coupling-angle variability (CAV) for hip flexion and knee flexion, knee flexion and ankle flexion, hip flexion and knee abduction, knee flexion and knee abduction, knee flexion and knee internal rotation, and knee abduction and knee internal rotation. Results The sport-specialized group exhibited increased coupling variability in dominant-limb hip flexion and knee flexion (P = .015), knee flexion and knee abduction (P = .014), and knee flexion and knee internal rotation (P = .048) while landing during the DVJ, although they had small effect sizes (η2 = 0.010, 0.010, and 0.007, respectively). No differences were present between groups for any of the other CAV measures of the dominant limb, and no differences were found for any CAV measures of the nondominant limb (all P values .05). Conclusions Sport specialization was associated with increased variability of critical hip- and knee-joint couplings responsible for effective landing during the DVJ. Altered coordination strategies that involve the hip and knee joints may underlie unstable landings, inefficient force-absorption strategies, or greater contact forces that can place the lower extremities at risk for injury (or a combination of these).
机译：背景信息早期的运动专业化，或不参与其他所有运动的全年参加，由于可能与肌肉骨骼损伤相关，因此在青年田径运动中越来越受到关注。潜在的伤害风险可能是由于体育专业运动员相对于综合运动运动员表现出的协调差异而导致的;但是，几乎没有证据支持或驳斥这一观点。目的研究青少年运动专业和多运动女性青少年运动员的相对髋关节和膝关节角度运动变异性，以确定运动专业化如何影响协调性。设计队列研究。设置研究实验室。患者或其他参与者总共366名运动专业的青少年和366名多运动的青少年篮球，足球和排球运动员。干预跌落垂直跳跃（DVJ）评估。主要观察指标髋关节屈曲和膝关节屈曲，膝关节屈曲和踝关节屈曲，髋关节屈曲和膝关节外展，膝关节屈曲和膝关节外展，膝关节屈曲和膝关节内旋以及膝关节外展和膝关节外展的平均耦合角变异性（CAV）膝盖内部旋转。结果运动专业组在优势肢屈曲和膝关节屈曲（P = .015），膝关节屈曲和膝关节外展（P = .014）以及膝关节屈曲和膝关节内部旋转（P = .048）方面表现出更高的耦合变异性。 ）在DVJ着陆时降落，尽管它们的效果大小较小（分别为η2= 0.010、0.010和0.007）。对于优势肢的任何其他CAV量度，各组之间没有差异，对于优势肢的任何CAV量度也没有差异（所有P值均大于0.05）。结论运动专业化与导致DVJ有效着陆的关键髋关节和膝关节联接的可变性增加有关。涉及髋关节和膝关节的协调策略改变可能是不稳定的着陆，无效的力吸收策略或更大的接触力的基础，这些接触力可能会使下肢处于受伤风险（或这些风险的组合）。

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