AI Article Synopsis
- The study analyzed the physical attributes of elite academy rugby league players aged 16-19, comparing those who went on to become professionals versus those who remained in academia.
- The research involved assessing 81 players' physical qualities, such as height, strength, and speed, from 2007 to 2012, with a focus on how these attributes changed over time as players aged.
- Results indicated that professional players generally had superior physical qualities, particularly in height and strength benchmarks, suggesting that these factors play a crucial role in achieving professional status in rugby league.
Article Abstract
Objectives: The current study retrospectively compared the physical qualities of elite academy rugby league players (aged 16-19 years) by career attainment level (i.e., academy or professional).
Design: Retrospective cross-sectional and longitudinal design.
Methods: Eighty-one academy rugby league players were assessed for physical qualities (height, body mass, skinfolds, speed, momentum, vertical jump, Yo-Yo Level 1 and 1-RM squat, bench press and prone row) at the Under 17-19 age categories between 2007 and 2012. Player's career attainment level was determined in 2014. Longitudinal changes in physical qualities between Under 17 and 19s were compared by career attainment level.
Results: Professional players demonstrated moderate significant advantages for height (d=0.98) and 1-RM squat (d=0.66) at the Under 17s, 1-RM bench press (d=0.76) at the Under 18s and 1-RM prone row (d=0.73) at the Under 19s age categories when compared to academy players. When assessed longitudinally (Under 17s-19s), professional players significantly outperformed academy players for 1-RM squat (η(2)=0.20). Professional players also demonstrated greater increases in body mass (8.2 vs. 2.9kg) and 10m momentum (47 vs. 17kgs(-1)) than academy players between the Under 17s and 19s.
Conclusions: Advanced physical qualities, particularly height and absolute strength, within 16-19 year old players may contribute to attaining professional status in rugby league. Further, the development of body mass and momentum for players within an academy is an important consideration in the progress towards professional rugby league. Therefore, practitioners should aim to identify and develop the physical qualities, especially size and strength, within academy rugby league players.
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| http://dx.doi.org/10.1016/j.jsams.2015.07.001 | DOI Listing |
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