Journal of Sports Science and Medicine
Journal of Sports Science and Medicine
ISSN: 1303 - 2968   
Ios-APP Journal of Sports Science and Medicine
Androit-APP Journal of Sports Science and Medicine
©Journal of Sports Science and Medicine (2018) 17, 372 - 378

Research article
Effects of Plyometric Training on Neuromuscular Performance in Youth Basketball Players: A Pilot Study on the Influence of Drill Randomization
Sebastian Hernández1, Rodrigo Ramirez-Campillo1, Cristian Álvarez1, Javier Sanchez-Sanchez2, Jason Moran3, Lucas A. Pereira4, Irineu Loturco4, 
Author Information
1 Department of Physical Activity Sciences. Research Nucleus in Health, Physical Activity and Sport, Universidad de Los Lagos Osorno, Chile
2 Research Group Planning and Assessment of Training and Athletic Performance, Pontifical University of Salamanca, Salamanca, Spain
3 Department of Sport, University Centre Hartpury, University of the West of England, Bristol, UK
4 Nucleus of High Performance in Sport - NAR, São Paulo, Brazil

Irineu Loturco
✉ Nucleus of High Performance in Sport, São Paulo, SP, Brazil.
Publish Date
Received: 22-03-2018
Accepted: 25-05-2018
Published (online): 14-08-2018
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The aim of this single-blind randomized controlled trial was to compare the effects of plyometric jump training (PJT), with (RG) and without (NRG) between-session drill randomization, on performance measures (i.e., jumping and sprinting abilities, change of direction speed, and technical performance) in youth male basketball players (age, 10.2 ± 1.7 years), assigned to either the NRG (n = 7), RG (n = 6), or control group (n = 6). Before and after the intervention, countermovement jump, 20-cm drop jump, 30-m sprint (with or without ball dribbling), and change-of-direction speed tests were completed. The PJT was applied twice per week for seven weeks. The only difference between PJT groups was the order of drill execution. An ANOVA was used to detect differences between study groups. The analyses revealed significant main effects of time (all p<.01; d = 0.64-0.89) and group x time interaction (all p<.05; d=0.31-51) for all examined variables. Post hoc analyses revealed moderate-large significant improvements for the RG (countermovement jump: 18.8%, d = 0.6; 20-cm drop jump: 23.9%, d = 0.80; 30-m sprint: 11.6%, d = 1.13; 30-m sprint with ball dribbling: 9.3%, d = 0.54; change of direction speed test: 14.6%, d = 1.82). In contrast, post hoc analyses revealed only small improvements for the NRG (20-cm drop jump: 14.1%, d = 0.36; 30-m sprint: 6.8%, d = 0.45; 30-m sprint with ball dribbling: 8.8%, d = 0.35; change of direction speed test: 10.5%, d = 0.49). Application of PJT without randomization is effective for improving physical and technical qualities. However, PJT could be more beneficial when executed with between-session randomization of drills.

Key words: Explosive training, ballistic training, team sport, stretch-shortening cycle, maturation

           Key Points
  • Plyometric training is an effective and safe strategy to improve physical performance in young basketball players;
  • This training method seems to be more beneficial when executed with between-session randomization of drills;
  • Plyometric drills randomization may add variation and motivation to training sessions, thus facilitating young athletes’ training engagement;
  • Plyometrics can be easily implemented during regular basketball training routines.
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