Influence of Maturation Stage on Agility Performance Gains after Plyometric Training: A Systematic Review and Meta-analysis

Abbas Asadi, Hamid Arazi, Rodrigo Ramirez-Campillo, Jason Moran, Mikel Izquierdo

Research output: Contribution to journalJournal Articlepeer-review

73 Citations (Scopus)
105 Downloads (Pure)


Although plyometric training (PT) improves change of direction (COD) ability, the influence of age on COD gains after PT is unclear. Therefore, the aim of this systematic review was to identify the age-related pattern of improvement in COD ability after PT in youths. A computerized search within six databases was performed, selecting studied based on specific inclusion criteria: experimental trials published in English-language journals, PT focused on the lower body, COD ability measurements reported before and after training, and male participants aged 10-to-18 years old. Sixteen articles with a total of 30 effect sizes (ESs) in the experimental groups and 13 ESs in the control groups were included. For the analyses, subjects were catagorized into three age groups: 10 to 12.9 years of age (PRE), 13 to 15.9 years of age (MID) and 16 to 18 years of age (POST). Independent of age, PT improved COD ability in youths (ES = 0.86, time gains [TG = -0.61]). However, a tendency toward greater COD ability gains was observed in older subjects (MID, ES = 0.95; POST, ES = 0.99) compared to younger subjects (PRE, ES = 0.68). Pearson product-moment correlation (r) indicated that 2-weekly sessions of PT induced meaningful COD ability gains (for ES, r = 0.436; for time gains, r = -0.624). A positive relationship was found between training intensity and ES (r = 0.493). In conclusion, PT improves COD ability in youths, with meaningfully greater effects in older youths. Two PT sessions per week, with 1400 moderate-intensity jumps for 7 weeks, seems to be an adequate dose.
Original languageEnglish
Pages (from-to)2609-2617
Number of pages9
JournalJournal of Strength and Conditioning Research
Issue number9
Publication statusPublished - 1 Sept 2017
Externally publishedYes


  • change of direction
  • jump training
  • leg power
  • maturity
  • quickness
  • stretch-shortening cycle


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