Biology of Sport
eISSN: 2083-1862
ISSN: 0860-021X
Biology of Sport
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1/2022
vol. 39
 
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abstract:
Original paper

Drop jumps improve repeated sprint ability performances in professional basketball players

Alessandro Moura Zagatto
1
,
Yago Medeiros Dutra
1
,
Gabriel Claus
1
,
Elvis de Sousa Malta
1
,
Rodrigo Araujo Bonetti. de Poli
1
,
Gabriel Motta Pinheiro Brisola
1
,
Daniel Boullosa
2

1.
Post-Graduate Program in Movement Sciences, Laboratory of Exercise Physiology and Sport Performance (LAFIDE), Department of Physical Education, Sao Paulo State University (Unesp), Bauru-SP, Brazil
2.
Graduate Program in Movement Sciences, Integrated Institute of Health, Federal University of Mato Grosso do Sul, Campo Grande, Mato Grosso do Sul, Brazil
Biol Sport. 2022;39(1):59-66.
Online publish date: 2021/03/05
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To verify the acute effect of drop jumps (DJ) on two repeated sprint ability tests (RSA), interspersed with a rest period simulating a basketball game break. Twelve first division basketball players (age: 24.8 ± 6.9 years; body mass: 97.0 ± 9.2 kg; height: 2.0 ± 0.1 m) performed, in a randomized crossover design, two RSA tests separated by 5 min after DJ or control conditions. The DJ condition comprised 5 DJs performed 4 min prior to the first RSA test, whereas 3 DJ were completed 30 s prior to a second RSA test. Surface electromyography was recorded from the lower body for root mean square (RMS) analyses during sprinting. Three countermovement jump (CMJ) tests were performed after warming up and immediately after the second RSA test. DJ improved RSA performance with a faster best time in the first RSA test (p = 0.035), and a shorter total time and mean time (p = 0.030) for the second RSA test. No significant differences were found in RMS between protocols. CMJ decreased in both conditions after the RSA tests (p < 0.05). This study revealed a post-DJ RSA potentiation in professional male basketball players. This simple and effective approach could be implemented at the end of the warm-up and before the end of game breaks to improve player preparedness to compete.
keywords:

Post-activation performance enhancement, Electromyography, Warm-up, Priming exercise, Sprint running

 
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