Investigating the workload,readiness and physical performance changes during intensified 3-week preparation periods in female national Under18 and Under20 basketball teams期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

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Investigating the workload,readiness and physical performance changes during intensified 3-week preparation periods in female national Under18 and Under20 basketball teams

Authors:	Inga Lukonaitien? Sigitas Kamandulis Henrikas Paulauskas Aurelijus Domeika Vytautas Pliauga Rasa Kreivyt?

Institution:	1. Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuania;2. Institute of Sport Science and Innovations, Lithuanian Sports University, Kaunas, Lithuaniahttps://orcid.org/0000-0003-3374-6223;3. Mechatronic Centre for Research, Studies and Information, Kaunas Technology University, Kaunas, Lithuania;4. Department of Coaching Science, Lithuanian Sports University, Kaunas, Lithuania

Abstract:	ABSTRACT This study aimed to investigate between- and within-team changes in workload PlayerLoad (PL), training impulse (TRIMP) and session rate of perceived exertion training load (sRPE-TL)], readiness heart rate variability (HRV)], and physical performance 20-m sprint test (including 10-m split time), countermovement jump (CMJ) and yo-yo intermittent recovery test level 1 (YYIR1)] during 3-week intensified preparation periods in female, national Under18 (n = 12, age = 18.0 ± 0.5y, stature = 180.4 ± 7.5 cm, body mass = 72.7 ± 9.3 kg) and Under20 (n = 12, age = 19.6 ± 0.8y, stature = 178.6 ± 6.4 cm, body mass = 68.0 ± 5.9 kg) basketball teams. Under18 team revealed small-to-moderate statistically significantly higher values in workload PL: p = 0.010; ES = Small; TRIMP: p = 0.004; ES = Moderate; sRPE-TL: p < 0.001; ES = Moderate] and moderately lower readiness values (p = 0.023; ES = Moderate) compared to Under20. Within-team analysis showed no differences in workload in Under20 and statistically significant reduction (p < 0.05) in Week3 (taper period) in Under18. Pre- and post-preparation changes showed Under18 increasing only YYIR1 performance (p < 0.001; ES = Very large). Differently, Under20 statistically improved in 10-m split time (p = 0.003; ES = Moderate), CMJ (p = 0.025; ES = Moderate) and YYIR1 (p < 0.001; ES = Large). A constant adequate workload positively benefits players’ readiness and physical performances during short intensified preparation periods. Conversely, using high workload with periodization strategies encompassing short overload and taper phases induced positive changes on players’ aerobic performance, lower readiness values and no changes in anaerobic performances.

Keywords:	Training load external load internal load heart rate variability basketball periodization

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