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Randomized Controlled Trial
. 2016 Aug;19(8):682-7.
doi: 10.1016/j.jsams.2015.10.005. Epub 2015 Nov 6.

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

Rodrigo Ramírez-Campillo  1 , José Antonio González-Jurado  2 , Cristian Martínez  3 , Fábio Yuzo Nakamura  4 , Luis Peñailillo  5 , Cesar M P Meylan  6 , Alexis Caniuqueo  7 , Rodrigo Cañas-Jamet  8 , Jason Moran  9 , Alicia M Alonso-Martínez  10 , Mikel Izquierdo  11
Affiliations
Randomized Controlled Trial

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

Rodrigo Ramírez-Campillo et al. J Sci Med Sport. 2016 Aug.

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±2.5y) 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.

Keywords: Ergogenic aids; Muscle strength; Sports; Strength training; Women.

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