Effects of plyometric training and creatine supplementation on maximal-intensity exercise and endurance in female soccer players

Abstract Objectives To investigate the effects of a six-week plyometric training and creatine supplementation intervention on maximal-intensity and endurance performance in female soccer players during in-season training. Design Randomized, double-blind, placebo-controlled trial. Methods Young (age...

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Bibliographic Details
Published in:Journal of science and medicine in sport 2016-08, Vol.19 (8), p.682-687
Main Authors: Ramírez-Campillo, Rodrigo, González-Jurado, José Antonio, Martínez, Cristian, Nakamura, Fábio Yuzo, Peñailillo, Luis, Meylan, Cesar M.P, Caniuqueo, Alexis, Cañas-Jamet, Rodrigo, Moran, Jason, Alonso-Martínez, Alicia M, Izquierdo, Mikel
Format: Article
Language:English
Subjects:
Adaptation, Physiological
Adult
Athletic Performance - physiology
Creatine - therapeutic use
Dietary Supplements
Double-Blind Method
Ergogenic aids
Female
Humans
Muscle strength
Physical Endurance - physiology
Physical Medicine and Rehabilitation
Plyometric Exercise - methods
Soccer
Soccer - physiology
Sports
Sports Medicine
Strength training
Studies
Women
Young Adult
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Summary:Abstract Objectives To investigate the effects of a six-week plyometric training and creatine supplementation intervention on maximal-intensity and endurance performance in female soccer players during in-season training. Design Randomized, double-blind, placebo-controlled trial. Methods Young (age 22.9 ± 2.5 y) female players with similar training load and competitive background were assigned to a plyometric training group receiving placebo (PLACEBO, n = 10), a plyometric training group receiving creatine supplementation (CREATINE, n = 10) or a control group receiving placebo without following a plyometric program (CONTROL, n = 10). Athletes were evaluated for jumping, maximal and repeated sprinting, endurance and change-of-direction speed performance before and after six weeks of training. Results After intervention the CONTROL group did not change, whereas both plyometric training groups improved jumps (ES = 0.25–0.49), sprint (ES = 0.35–0.41), repeated sprinting (ES = 0.48–0.55), endurance (ES = 0.32–0.34) and change-of-direction speed performance (ES = 0.46–0.55). However, the CREATINE group improved more in the jumps and repeated sprinting performance tests than the CONTROL and the PLACEBO groups. Conclusions Adaptations to plyometric training may be enhanced with creatine supplementation.
ISSN:1440-2440
1878-1861
DOI:10.1016/j.jsams.2015.10.005