Table 1.

Characteristics of elite (N = 22) and sub-elite (N = 22) soccer players

Level	Age (years)	Body height (m)	Body mass (kg)	Yo-Yo IRT liv 1 (m)	Training routine (n° of sessions per week)
Elite	14.58 ± 0.50	1.70 ± 0.06	57.06 ± 5.87	1604.71 ± 356.33*	4
Sub-Elite	14.23 ± 0.43	1.68 ± 0.09	55.20 ± 7.78	1338.82 ± 366.36	3

^*p < 0.05, significant differences between elite and sub-elite soccer players.