🇳🇴 Summary in Norwegian
Lars M. Tingelstad
Norwegian School of Sport Sciences
During puberty, young athletes experience significant physical, psychological, and identity-related changes that affect both training and participation. The period of fastest growth is called peak height velocity (PHV), and it is also during this time that we see the most rapid development in physical performance due to growth, hormonal changes, muscle growth, and neural adaptations. However, there are large individual differences in when this period occurs and the extent of development. This significantly impacts the physical performance level of athletes in a given age group, leading to considerable discrepancies. It is crucial to be aware of this in order to adapt training and load based on the athlete’s maturation status, ensuring optimal physical development and reducing the risk of injury.
The doctoral project PLAY included 471 young football and handball players to take a closer look at how physical performance develops during puberty, with a particular focus on sex and age group differences among young team sport athletes. One key finding was that boys already from early age outperformed girls in physical performance, and also had a more pronounced development compared to the girls. Another important finding was the considerable individual variation in both performance and development across all groups. This indicates that there is no ‘one-size-fits-all’ approach to training for young athletes. Instead, the findings emphasize the importance of tailoring training programs that account for individual differences in growth, maturation, and motivation.
A balanced training program that considers individual differences in growth and maturation, alongside injury prevention measures, can reduce the risk of injuries and promote long-term development. Especially for girls, early strength training can help reduce the performance gap with boys. However, more research is needed on the long-term effects of training load on development and injury risk to better understand how to best facilitate training and development during adolescence.
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