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Monitoring Training Loads in Professional Basketball Players Engaged in a Periodized Training Program

Aoki, Marcelo S.; Ronda, Lorena T.; Marcelino, Pablo R.; Drago, Gustavo; Carling, Chris; Bradley, Paul S.; Moreira, Alexandre

The Journal of Strength & Conditioning Research: February 2017 - Volume 31 - Issue 2 - p 348–358
doi: 10.1519/JSC.0000000000001507
Original Research

Aoki, MS, Ronda, LT, Marcelino, PR, Drago, G, Carling, C, Bradley, PS, and Moreira, A. Monitoring training loads in professional basketball players engaged in a periodized training program. J Strength Cond Res 31(2): 348–358, 2017—The aim of this study was to investigate the dynamics of external training load (eTL) and internal training load (iTL) during seasonal periods, and examine the effect of a periodized training program on physical performance in professional basketball players. Repeated measures for 9 players (28 ± 6 years; 199 ± 8 cm; 101 ± 12 kg) were collected from 45 training sessions, over a 6-week preseason phase and a 5-week in-season phase. Physical tests were conducted at baseline (T1), week 4 (T2), and week 9 (T3). Differences in means are presented as % ± confident limits. A very likely difference was observed during in-season compared with preseason for the eTL variables (measured by multivariable monitoring device), mechanical load (13.5 ± 8.8) and peak acceleration (11.0 ± 11.2), respectively. Regarding iTL responses, a very large decrement in TRIMP (most likely difference, −20.6 ± 3.8) and in session rating of perceived exertion training load (very likely difference, −14.2 ± 9.0) was detected from preseason to in-season. Physical performance improved from T1 to T3 for Yo-Yo intermittent recovery test 1 (62.2 ± 34.3, effect size [ES] > 1.2); countermovement jump (8.8 ± 6.1, ES > 0.6); and squat jump (14.8 ± 10.2, ES > 0.8). Heart rate (HR; %HRpeak) exercise responses during a submaximal running test decreased from T1 to T3 (3.2 ± 4.3, ES < 0.6), as well as the HR recovery after the test (14.7 ± 8.8, ES > 1.2). These results provide valuable information to coaches about training loads and physical performance across different seasonal periods. The data demonstrate that both eTL and iTL measures should be monitored in association with physical tests, to provide a comprehensive understanding of the training process.

1School of Arts, Sciences, and Humanities, University of São Paulo, São Paulo, Brazil;

2Department of Health and Kinesiology, Exercise and Sport Nutrition Lab, Texas A&M University, College Station, Texas;

3Department of Sport, School of Physical Education and Sport, University of São Paulo, São Paulo, Brazil;

4Integrated Support Center for Athletes (CIAA)–Pinheiros Sport Club, São Paulo, Brazil;

5Institute of Coaching and Performance, University of Central Lancashire, Preston, United Kingdom; LOSC Lille Metropole Football Club, Lille, France; and

6Research Institute for Sport and Exercise Sciences (RISES), Liverpool John Moores University, Liverpool, United Kingdom.

Address correspondence to Dr. Alexandre Moreira,

Copyright © 2017 by the National Strength & Conditioning Association.