PDF(Pubmed)
Abstract：
Considering the importance of body composition and lower-body strength and power for basketball players\' on-court performance, as well as a lack of sports science research focused on female athletes, the purpose of the present investigation was to record the anthropometric and countermovement vertical jump (CMJ) characteristics of top-tier U16 and U18 female basketball players and examine between-group differences in the aforementioned tests. Thirty-two athletes who were a part of the national basketball academy volunteered to participate in the present investigation. Following the body composition assessment conducted via a segmental multifrequency bioimpedance analyzer, athletes performed three CMJs while standing on a force plate system sampling at 1000 Hz. Independent t-test and Mann-Whitney U-test were used to examine between-group differences. The findings reveal significant differences in body composition and lower-body neuromuscular performance characteristics between female basketball players ages 16 and 18. Although no differences were observed in muscle and body fat percentages, the U18 group had significantly greater height, overall body mass (both muscle and fat mass), as well as greater segmental fat-free mass (trunk, both legs and arms), intracellular and extracellular water, and body mass index when compared to their U16 counterparts. On the other hand, the U18 group demonstrated longer eccentric, concentric, and braking phase duration, as well as overall contraction time when compared to the U16 players. In addition, the U18 athletes exhibited higher eccentric mean force and power, concentric impulse, peak power, and mean and peak force.
摘要：
考虑到身体成分和下半身力量对篮球运动员场上表现的重要性，以及缺乏针对女运动员的体育科学研究，本研究的目的是记录顶级U16和U18女篮球运动员的人体测量和反运动垂直跳跃(CMJ)特征,并检查上述测试中的组间差异.国家篮球学院的32名运动员自愿参加了本次调查。在通过分段多频生物阻抗分析仪进行的身体成分评估之后，运动员在1000Hz的力板系统上站立时执行了三个CMJ。采用独立t检验和Mann-WhitneyU检验检验组间差异。研究结果表明，16岁和18岁的女子篮球运动员在身体成分和下体神经肌肉表现特征方面存在显着差异。虽然没有观察到肌肉和身体脂肪百分比的差异，U18组的身高明显更高，整体体重（肌肉和脂肪质量），以及更大的节段性无脂肪质量(躯干，双腿和手臂)，细胞内和细胞外水，和体重指数与U16同行相比。另一方面,U18组表现出更长的偏心，同心,和制动阶段持续时间，以及与U16球员相比的整体收缩时间。此外,U18运动员表现出更高的偏心平均力和力量，同心脉冲，峰值功率,平均和峰值力。
