The present study summarises the work developed by the ALPHA (Assessing Levels of
Physical Activity) study and describes the procedures followed to select the tests included in …

Background In the context of a public health physical fitness (PF) examination in
adolescence, a countermovement jump (CMJ) and a squat jump (SJ) are two vertical jump …

To analyze the effects of an intervention focused on increasing the time and intensity of
Physical Education (PE), on adolescents' cognitive performance and academic …

Objective To report sex-and age-specific physical fitness levels in European adolescents.
Methods A sample of 3428 adolescents (1845 girls) aged 12.5–17.49 years from 10 …

Castro-Piñero, J, Ortega, FB, Artero, EG, Girela-Rejón, MJ, Mora, J, Sjöström, M, and Ruiz,
JR. Assessing muscular strength in youth: usefulness of standing long jump as a general …

The authors' aim in this cross-sectional study was to characterize levels of objectively
measured physical activity and sedentary time in adolescents from 9 European countries …

En el presente estudio describe el trabajo desarrollado para la creación de la batería
ALPHA-Fitness de test de campo para la evaluación de la condición física relacionada con …

Obesity, as compared to normal weight, is associated with detectable structural differences
in the brain. To the best of our knowledge, no previous study has examined the association …

The objective of this systematic review was to study the reliability of the existing field-based
fitness tests intended for use with children and adolescents. The medical electronic …

The present study aimed to investigate positional differences in 744 high-level soccer
players, aged 8 to 18 years. Players were assigned to six age groups (U9–U19) and divided …