Comparison of the anthropometric profiles of elite youth rugby union players
Background: Anthropometric evaluation of athletes is necessary to optimize talent identification and player development. The aim was to describe the anthropometric characteristics of national under-18 and under-20 rugby team by field positions in two season. Material and method: 152 players of under-18 and under-20 rugby teams were to measured mass, stature, skinfolds, percentage body fat, skeletal muscle mass, bone mineral and somatype between 2015-2016 and 2016-2017 season. Mean and standard deviation were calculated for each national team, groups and positional. The Mann-Whitney U test were performed to investigate differences between national team and by groups. The Kruskal-Wallis test was performed to investigate differences between positional. Results: The foward units were heavier, taller and had a larger percentage body fat and skeletal muscle mass than back units (p <0.05). The props had a larger percentage body fat (p <0.05) and the seconds row were taller (p <0.05). Conclusions: The elite players of under-20 in Spain are heavier and have a larger percentage body fat and skeletal muscle mass than elite players of under-18. The foward units are heavier, taller and have a larger percentage body fat, skeletal muscle mass and bone mineral tan back units. The props are heavier positional and have larger percentage body fat. The seconds row are taller positional.