[4-min read]

Growth and maturation monitoring has become an invaluable tool for the development of youth athletes worldwide. Research in the area is helping to level the playing field for youth athletes in top organisations such as the English Premier League, the Lawn Tennis Association, Major League Baseball and many national sports bodies.

In these organisations, growth and maturation monitoring has been successfully implemented to identify hidden talent and develop the sports stars of tomorrow while reducing the risk of injury. This article explores the key concepts of growth and maturation, providing insights into how they are applied and the benefits they offer.

What is Growth and Maturation?

Do you remember playing or watching children’s sports and there was always one or two children that towered above the rest? If you think about it, you probably also remember one or two that were much smaller too. That’s because children’s sports are usually grouped by age, but, children all mature at different rates. In other words, their biological age doesn’t match their chronological age.

In fact, you could see two children of the same chronological age differing by up to six years in biological age. The child who matures earlier will be bigger, faster, and stronger than their late-maturing peer, and therefore more likely to be dominant at their sport. This often leads to late maturers getting left behind when it comes to picking teams. Research in English Rugby Union Academies has displayed a clear preference towards early maturers (Howard et al., 2016). This selection bias has a huge impact, with fewer late maturers making it through the system the organisation is potentially missing out on a lot of talent.

Another area where understanding a child’s growth and maturation is important is for injury prevention. As when a child goes through their growth spurt they can be more susceptible to injuries as their bones and muscles go through rapid phases of growth.

How do you monitor Growth and Maturation?

Growth and maturation monitoring involves a combination of anthropometric measurements and statistical models to predict an athlete’s adult height, estimate where they are in terms of their growth and physical maturity, and whether they’re an early, on-time, or late developer.

Regular monitoring allows for dynamic adjustments to training groups, training plans, and competition schedules, to ensure that each athlete’s development is optimized. Software applications are commonly used to safely gather and securely store data, and to analyze the data and provide insights that help coaches tailor training to maximize the development of their youth athletes.

Calculating Predicted Adult Height

Predicted Adult Height (PAH) is a valuable tool used to estimate the future height of young athletes. By capturing parental heights, coaches and sports scientists can predict an athlete’s adult stature. This can then be compared with the athlete’s current height to see where the athlete is in relation to their future growth potential.

Peak Height Velocity

Peak Height Velocity (PHV) refers to the period during which adolescents experience their fastest growth spurt. Identifying PHV is crucial as it marks a phase of significant physical change, impacting coordination, strength, and injury risk. Click here to read more about Peak Height Velocity and why it’s important in the development of youth athletes.

Maturity Timing

Maturity Timing assesses whether an athlete is an early, average, or late maturer compared to their peers. Understanding an athlete’s maturity status helps in setting realistic performance expectations and provides a framework for personalized training programs. It ensures that late maturers are not overlooked in talent identification processes.

The Benefits of Growth and Maturation

Talent Identification

Growth and Maturation assessments are a powerful tool for identifying talent. By understanding their athletes’ growth potential and their maturation, coaches can identify potential talent that might otherwise be overlooked. For example:

• Predicted Adult Height can identify an athlete with the potential to be physically dominant in later years.
• Maturity Timing can help identify technically and tactically gifted athletes who may just need to be grouped with other athletes of similar maturity in order for them to flourish.
• Peak Height Velocity can identify athletes that may be going through their growth spurt which can explain a temporary drop-off in performance.

This approach ensures a broader pool of athletes is considered, focusing on long-term potential rather than immediate performance.

Using Bio Banding to Overcome Selection Bias

Bio-banding is an innovative approach designed to overcome biases. Bio-banding groups athletes based on their biological age rather than chronological age. This method levels the playing field, allowing late maturers to compete against peers of similar maturity, fostering fair competition and development opportunities. Bio-banding has been adopted by several top sports organizations to enhance their talent development pathways.

Talent Development

Using growth and maturation data, coaches can deliver tailored training programs that align with an athlete’s growth and maturation stage to enhance skill acquisition and physical development. This personalized approach maximizes the athlete’s development throughout their maturation helping them to reach their full potential.

Reducing Injury Risk

Adolescents are particularly vulnerable to injuries during periods of rapid growth (Malina et al., 2019). Monitoring growth and maturation allows coaches to identify these periods of rapid growth and to use these insights to adjust training loads and implement injury prevention strategies. As a result, the likelihood of overuse injuries is significantly reduced.

Conclusion

Embracing growth and maturation monitoring is not just a strategic advantage for organisations but a transformative approach that benefits both athletes and the institutions that support them. For athletes, it means being grouped appropriately with athletes of similar physical maturity, and receiving personalised training that respects their unique developmental timeline. This helps maximize the development of each athlete, reduce their risk of injury, and ensure they have a more fulfilling sports experience. For organizations, it translates to a more effective talent identification process, ensuring that no potential star is overlooked due to late maturation.

When combined, this approach develops a more comprehensive talent pool, ultimately leading to stronger teams and more successful player pathways. By investing in growth and maturation monitoring, organisations position themselves at the forefront of sports science, demonstrating a commitment to athlete welfare and long-term success. Now is the time to adopt these practices and unlock the full potential of every young athlete.

References

1. Howard, S. M. A., Cumming, S. P., Atkinson, M., & Malina, R. M. (2016). Biological maturity-associated variance in peak power output and momentum in academy rugby union players. European Journal of Sport Science, 16(8), 972–980. https://doi.org/10.1080/17461391.2016.1205144
2. Malina RM, Cumming SP, Rogol AD, Coelho-e-Silva MJ, Figueiredo AJ, Konarski JM, Kozieł SM. (2019). Bio-Banding in Youth Sports: Background, Concept, and Application. Sports Medicine, 49(11):1671-1685. doi: 10.1007/s40279-019-01166-x.
3. Monasterio X, Injuries in athletic club players: growth and maturation as potential risk factors (PhD Academy Award) British Journal of Sports Medicine 2024;58:112-113.