… , age category, and playing level has a different physiological background in male soccer
players… 40-m sprint time (d = 0.50) in international versus amateur soccer players, and in sprint …

… of youth soccer players within two competitive age groups. … included 159 male soccer players
in two competitive age groups, … (on time) and early maturing players within competitive age …

… 2 The sample included 69 male youth soccer players on teams from three clubs in the Porto
area of Portugal which competed in the highest division for their age group at the time of the …

… This study is the first to investigate how age and previous … cohort of male amateur soccer
players using an on-field and time-… association of age and previous hamstring injury duration (…

… birth‐date distribution of senior professional soccer players has led us to investigate … in
soccer. Birth dates were considered for professional players, national youth teams, youth players …

… who competed in the professional lower divisions (ie, League 1 & 2) of English Soccer at
the time of data collection. The purpose of these youth-development programmes is to identify …

… hair development that is evident in the boy at the time of examination, and do not permit an
… years in boys, which includes the age range of the present study of youth football players. …

… The players were also classi®ed as late, average (`on time’) and early maturers on the …
between skeletal and chronological age, with the average category including boys with skeletal …

… These results indicate that around the time of puberty, … A total of 194 male football players
belonging to the Arenas … that young soccer players are bigger than their age counterparts who …

… , sport-specific skill, and goal orientation of 159 male soccer players, aged 11–12 (n = 87) and
… age groups, boys advanced in skeletal maturity were taller and heavier than those on time …