Peak External Intensity Decreases across Quarters during Basketball Games

IF 1.3 Q3 SPORT SCIENCES Montenegrin Journal of Sports Science and Medicine Pub Date : 2021-03-01 DOI:10.26773/MJSSM.210304
Jordan L. Fox, Hugo Salazar, F. García, A. Scanlan
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引用次数: 8

Abstract

The purpose of this study was to compare peak external intensities across game quarters in basketball. Eight semi-professional male players were monitored using accelerometers. For all quarters, peak intensities were determined via moving averages for PlayerLoad/minute (PL·min-1) using sample durations of 15 s, 30 s, 1 min, 2 min, 3 min, 4 min, and 5 min. Linear mixed models and effect sizes (ES) were used to compare peak intensities between quarters for each sample duration. Small decreases in peak PL·min-1 occurred between Quarters 1 and 4 for all sample durations (ES = 0.21-0.49). Small decreases in peak PL·min-1 were apparent between quarters 1 and 2 for 30-s, 1-min, and 3-min sample durations (ES = 0.24-0.33), and between quarters 3 and 4 for 2-5-min sample durations (ES = 0.20-0.24). Peak intensities decline across quarters with game progression in basketball, providing useful insight for practitioners to develop game-specific training and tactical strategies.
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在篮球比赛中,每个季度的峰值外部强度都会下降
本研究的目的是比较篮球比赛中各季度的最高外部强度。8名半职业男性球员使用加速度计进行监测。对于所有季度,使用15秒、30秒、1分钟、2分钟、3分钟、4分钟和5分钟的样本持续时间,通过PlayerLoad/分钟(PL·min-1)的移动平均来确定峰值强度。使用线性混合模型和效应大小(ES)来比较每个样本持续时间的季度之间的峰值强度。在第1季度和第4季度之间,所有样本持续时间的峰值PL·min-1都有小幅下降(ES = 0.21-0.49)。在第1季度和第2季度之间,样品持续时间为30秒、1分钟和3分钟时,峰值PL·min-1明显下降(ES = 0.24-0.33),在第3季度和第4季度之间,样品持续时间为2-5分钟时,峰值PL·min-1明显下降(ES = 0.20-0.24)。在篮球比赛中,随着比赛的进展,峰值强度在每个季度都会下降,这为练习者制定特定比赛的训练和战术策略提供了有用的见解。
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来源期刊
CiteScore
2.80
自引率
0.00%
发文量
14
审稿时长
9 weeks
期刊介绍: MJSSM covers all aspects of sports science and medicine; all clinical aspects of exercise, health, and sport; exercise physiology and biophysical investigation of sports performance; sport biomechanics; sports nutrition; rehabilitation, physiotherapy; sports psychology; sport pedagogy, sport history, sport philosophy, sport sociology, sport management; and all aspects of scientific support of the sports coaches from the natural, social and humanistic side.
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