Age-Related Variation in Male Youth Athletes' Countermovement Jump After Plyometric Training: A Meta-Analysis of Controlled Trials.

Jason J Moran, Gavin R H Sandercock, Rodrigo Ramirez-Campillo, Cesar M P Meylan, Jay A Collison, Dave A Parry

Research output: Contribution to journalJournal Article

13 Citations (Scopus)

Abstract

Moran, J, Sandercock, GRH, Ramirez-Campillo, R, Meylan, CMP, Collison, J, and Parry, DA. Age-related variation in male youth athletes' countermovement jump after plyometric training: A meta-analysis of controlled trials. J Strength Cond Res 31(2): 552-565, 2017-Recent debate on the trainability of youths has focused on the existence of periods of accelerated adaptation to training. Accordingly, the purpose of this meta-analysis was to identify the age- and maturation-related pattern of adaptive responses to plyometric training in youth athletes. Thirty effect sizes were calculated from the data of 21 sources with studies qualifying based on the following criteria: (a) healthy male athletes who were engaged in organized sport; (b) groups of participants with a mean age between 10 and 18 years; and (c) plyometric-training intervention duration between 4 and 16 weeks. Standardized mean differences showed plyometric training to be moderately effective in increasing countermovement jump (CMJ) height (Effect size = 0.73 95% confidence interval: 0.47-0.99) across PRE-, MID-, and POST-peak height velocity groups. Adaptive responses were of greater magnitude between the mean ages of 10 and 12.99 years (PRE) (ES = 0.91 95% confidence interval: 0.47-1.36) and 16 and 18 years (POST) (ES = 1.02 [0.52-1.53]). The magnitude of adaptation to plyometric training between the mean ages of 13 and 15.99 years (MID) was lower (ES = 0.47 [0.16-0.77]), despite greater training exposure. Power performance as measured by CMJ may be mediated by biological maturation. Coaches could manipulate training volume and modality during periods of lowered response to maximize performance.
Original languageEnglish
Pages (from-to)552-565
Number of pages14
JournalJournal of Strength and Conditioning Research
Volume31
Issue number2
DOIs
Publication statusPublished - 2017
Externally publishedYes

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Plyometric Exercise
Athletes
Meta-Analysis
Confidence Intervals
Cytidine Monophosphate
Information Storage and Retrieval
Sports

Keywords

  • Adaptation, Physiological
  • Adolescent
  • Age Factors
  • Athletes
  • Child
  • Controlled Clinical Trials as Topic
  • Humans
  • Male
  • Muscle Strength
  • Plyometric Exercise
  • Sports
  • Young Adult
  • methods
  • physiology

Cite this

Moran, Jason J ; Sandercock, Gavin R H ; Ramirez-Campillo, Rodrigo ; Meylan, Cesar M P ; Collison, Jay A ; Parry, Dave A. / Age-Related Variation in Male Youth Athletes' Countermovement Jump After Plyometric Training: A Meta-Analysis of Controlled Trials. In: Journal of Strength and Conditioning Research. 2017 ; Vol. 31, No. 2. pp. 552-565.
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abstract = "Moran, J, Sandercock, GRH, Ramirez-Campillo, R, Meylan, CMP, Collison, J, and Parry, DA. Age-related variation in male youth athletes' countermovement jump after plyometric training: A meta-analysis of controlled trials. J Strength Cond Res 31(2): 552-565, 2017-Recent debate on the trainability of youths has focused on the existence of periods of accelerated adaptation to training. Accordingly, the purpose of this meta-analysis was to identify the age- and maturation-related pattern of adaptive responses to plyometric training in youth athletes. Thirty effect sizes were calculated from the data of 21 sources with studies qualifying based on the following criteria: (a) healthy male athletes who were engaged in organized sport; (b) groups of participants with a mean age between 10 and 18 years; and (c) plyometric-training intervention duration between 4 and 16 weeks. Standardized mean differences showed plyometric training to be moderately effective in increasing countermovement jump (CMJ) height (Effect size = 0.73 95{\%} confidence interval: 0.47-0.99) across PRE-, MID-, and POST-peak height velocity groups. Adaptive responses were of greater magnitude between the mean ages of 10 and 12.99 years (PRE) (ES = 0.91 95{\%} confidence interval: 0.47-1.36) and 16 and 18 years (POST) (ES = 1.02 [0.52-1.53]). The magnitude of adaptation to plyometric training between the mean ages of 13 and 15.99 years (MID) was lower (ES = 0.47 [0.16-0.77]), despite greater training exposure. Power performance as measured by CMJ may be mediated by biological maturation. Coaches could manipulate training volume and modality during periods of lowered response to maximize performance.",
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Age-Related Variation in Male Youth Athletes' Countermovement Jump After Plyometric Training: A Meta-Analysis of Controlled Trials. / Moran, Jason J; Sandercock, Gavin R H; Ramirez-Campillo, Rodrigo; Meylan, Cesar M P; Collison, Jay A; Parry, Dave A.

In: Journal of Strength and Conditioning Research, Vol. 31, No. 2, 2017, p. 552-565.

Research output: Contribution to journalJournal Article

TY - JOUR

T1 - Age-Related Variation in Male Youth Athletes' Countermovement Jump After Plyometric Training: A Meta-Analysis of Controlled Trials.

AU - Moran, Jason J

AU - Sandercock, Gavin R H

AU - Ramirez-Campillo, Rodrigo

AU - Meylan, Cesar M P

AU - Collison, Jay A

AU - Parry, Dave A

PY - 2017

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AB - Moran, J, Sandercock, GRH, Ramirez-Campillo, R, Meylan, CMP, Collison, J, and Parry, DA. Age-related variation in male youth athletes' countermovement jump after plyometric training: A meta-analysis of controlled trials. J Strength Cond Res 31(2): 552-565, 2017-Recent debate on the trainability of youths has focused on the existence of periods of accelerated adaptation to training. Accordingly, the purpose of this meta-analysis was to identify the age- and maturation-related pattern of adaptive responses to plyometric training in youth athletes. Thirty effect sizes were calculated from the data of 21 sources with studies qualifying based on the following criteria: (a) healthy male athletes who were engaged in organized sport; (b) groups of participants with a mean age between 10 and 18 years; and (c) plyometric-training intervention duration between 4 and 16 weeks. Standardized mean differences showed plyometric training to be moderately effective in increasing countermovement jump (CMJ) height (Effect size = 0.73 95% confidence interval: 0.47-0.99) across PRE-, MID-, and POST-peak height velocity groups. Adaptive responses were of greater magnitude between the mean ages of 10 and 12.99 years (PRE) (ES = 0.91 95% confidence interval: 0.47-1.36) and 16 and 18 years (POST) (ES = 1.02 [0.52-1.53]). The magnitude of adaptation to plyometric training between the mean ages of 13 and 15.99 years (MID) was lower (ES = 0.47 [0.16-0.77]), despite greater training exposure. Power performance as measured by CMJ may be mediated by biological maturation. Coaches could manipulate training volume and modality during periods of lowered response to maximize performance.

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KW - Adolescent

KW - Age Factors

KW - Athletes

KW - Child

KW - Controlled Clinical Trials as Topic

KW - Humans

KW - Male

KW - Muscle Strength

KW - Plyometric Exercise

KW - Sports

KW - Young Adult

KW - methods

KW - physiology

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DO - 10.1519/JSC.0000000000001444

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SN - 1064-8011

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