Int J Sports Med
DOI: 10.1055/a-2675-1198
Training & Testing

The Role of Growth and Maturation in the Physical Development of Youth Male Soccer Players

1   Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Bergen, Norway (Ringgold ID: RIN1657)
,
Halvard Grendstad
2   Institute of Physical Performance, Norwegian School of Sports Sciences, Oslo, Norway (Ringgold ID: RIN25567)
,
Cecilie Brekke Rygh
3   Department of Radiology, Haukeland University Hospital, Bergen, Norway (Ringgold ID: RIN60498)
,
Arild Hafstad
1   Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Bergen, Norway (Ringgold ID: RIN1657)
,
Mona Vestbøstad
4   Department of Health and Functioning, Western Norway University of Applied Sciences, Bergen, Norway (Ringgold ID: RIN1657)
,
Erling Algerøy
5   Department of Teacher Education, NLA University College, Bergen, Norway (Ringgold ID: RIN87486)
,
Otto R. F. Smith
5   Department of Teacher Education, NLA University College, Bergen, Norway (Ringgold ID: RIN87486)
6   Department of Health Promotion, Norwegian Institute of Public Health, Oslo, Norway (Ringgold ID: RIN25563)
,
Malene Joensen
7   Western Norway Cluster of Sports, Western Norway Cluster of Sports, Bergen, Norway
,
Morten Kristoffersen
1   Department of Sport, Food and Natural Sciences, Western Norway University of Applied Sciences, Bergen, Norway (Ringgold ID: RIN1657)
› Author Affiliations

Supported by: IdrettCampus Bergen
Supported by: University and College Network for Western Norway
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Abstract

Biological maturation and growth influence youth athletes’ physical performance during adolescence. However, how this association develops over time remains unclear. Thus, this study examined associations between biological maturity and sprint speed, vertical jumping ability, leg strength, and aerobic capacity between ages 14.1 and 17.4 in youth male soccer players. A total of 103 players were followed. Performance in 40-m sprint, countermovement jump (CMJ), leg press, and maximal oxygen consumption (V̇O2max) was tested biannually at seven time points. Maturity was estimated using bone age from hand-wrist X-rays. Latent growth modelling examined changes in maturity-performance associations over time. Maturity was significantly (p < 0.05) associated with sprint, CMJ, leg strength (force and power), and V̇O2 max at ages 14.1, 14.7, and 15.3 years. The associations were, however, less significant over time. Specifically, maturity was no longer statistically associated with sprint and CMJ performance at 15.7 years, force and V̇O2 max at 16.4 years, and power at 16.8 years. There were no significant associations at 17.4 years. Biological maturity influences physical capacities during early adolescence, but its impact diminishes as players age. The timing of this decline appears to vary between physical performance domains, with sprint and jump performance stabilizing earlier than muscular strength and aerobic capacity.



Publication History

Received: 10 April 2025

Accepted after revision: 01 August 2025

Accepted Manuscript online:
01 August 2025

Article published online:
02 September 2025

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