Effects of Plyometric Jump Training in Sand or Rigid Surface on Jump-Related Biomechanical Variables and Physical Fitness in Female Volleyball Players

Mina Ahmadi, Hadi Nobari, Rodrigo Ramirez-Campillo, Jorge Pérez-Gómez, Alexandre Lima de Araújo Ribeiro and Alejandro Martínez-Rodríguez
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Mina Ahmadi: Department of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan 81746-7344, Iran
Hadi Nobari: Department of Exercise Physiology, Faculty of Educational Sciences and Psychology, University of Mohaghegh Ardabili, Ardabil 56199-11367, Iran
Rodrigo Ramirez-Campillo: Departamento de Ciencias de la Actividad Física, Universidad de Los Lagos, Santiago 8320000, Chile
Jorge Pérez-Gómez: HEME Research Group, Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain
Alexandre Lima de Araújo Ribeiro: Physical Education College, University of Brasilia, Brasilia 70910-900, Brazil
Alejandro Martínez-Rodríguez: Department of Analytical Chemistry, Nutrition and Food Sciences, University of Alicante, 03690 Alicante, Spain

IJERPH, 2021, vol. 18, issue 24, 1-14

Abstract: Background: This study aims to assess the effects of 8 weeks of plyometric jump training (PJT) conducted on sand or a rigid court surface on jump-related biomechanical variables and physical fitness in female indoor volleyball players. Methods: Seventeen participants were randomly divided into a sand surface group (SsG, n = 8) and rigid surface group (RsG, n = 9). Both groups completed equal indoor volleyball training routines. Participants were assessed pre and post the 8-week PJT for jump-related biomechanical variables (countermovement jump (CMJ) RSI; drop jump (DJ) reactive strength index (RSI); spike jump (SJ) height; CMJ height; CMJ rate of force development (RFD); CMJ velocity at take-off; DJ height and CMJ peak force), 20 m linear sprint time, t test for change-of-direction sprint (CODs) time, Wingate test peak power (PP), cardiorespiratory endurance, and leg-press one-repetition maximum (1RM). Results: A two-way mixed analysis of variance (group × time) revealed that there was a significant group × time interaction between DJ height ( p = 0.035) and CMJ peak force ( p = 0.032) in favour of RsG and SsG, respectively. A significant interaction was also observed for cardiorespiratory endurance ( p = 0.01) and 1RM ( p = 0.002), both favouring the SsG. No other group × time interaction was observed. Conclusions: The type of surface used during PJT induced specific adaptations in terms of jump-related biomechanical variables and physical fitness in female indoor volleyball players. Based on the individual needs of the athletes, practitioners may prescribe one type of surface preferentially over another to maximize the benefits derived from PJT.

Keywords: sports medicine; human physical conditioning; resistance training; strength training; sports (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2021
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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