Early Success, Later Triumph: Biological Maturity and Success in Ice Hockey

This episode explores a fascinating study on the impact of biological maturity on success in Swedish ice hockey players. Drawing on 20 years of data from certified ice hockey high schools, junior national teams, and the NHL, researchers discovered a surprising trend. While early maturation provides an advantage in junior success, reaching the NHL, the pinnacle of adult success, is inversely related to advanced maturation.
● The study analyzed 4787 male players from Swedish ice hockey high schools between 1998 and 2017, along with their junior national team and NHL participation records.
● Researchers used "percentage of adult height (%AH)" as a non-invasive measure of biological maturation.
● Players selected for the U16 national team (junior success) showed a bias towards early maturation, with 30% being early maturers compared to 19% late maturers.
● However, more late-maturing players (40%) achieved adult success (NHL participation) compared to early-maturing players (25%). NHL players also demonstrated significantly later maturation than non-NHL players.
● The study suggests a shift in maturity bias as players age. Early maturers might dominate in the initial stages due to physical advantages, but as the focus shifts from physical prowess to skill and tactical proficiency, later maturers have a higher conversion rate to the NHL.
● The research highlights the importance of considering biological maturation in talent identification and player development. Implementing maturity assessments could help optimize training programs for both early and late maturers, allowing them to reach their full potential.
● Strategies like "bio-banding," where players are grouped based on their maturity level rather than chronological age, are discussed as potential solutions. This approach could provide late-maturing players with more opportunities to develop their skills and leadership qualities while challenging early-maturing players to refine their technical abilities.
This episode provides valuable insights for coaches, clubs, and parents involved in youth ice hockey, emphasizing the importance of fostering long-term athlete development that considers individual differences in biological maturation.
Main source: Who Reaches the NHL? A 20-Year Retrospective Analysis of Junior and Adult Ice Hockey Success in Relation to Biological Maturation in Male Swedish Players
Erik Niklasson, Oliver Lindholm, Marlene Rietz, John Lind, David Johnson, Tommy R. Lundberg
Sports Med. 2024; 54(5): 1317–1326. Published online 2024 Jan 9. doi: 10.1007/s40279-023-01985-z
PMCID: PMC11127826