Examine the association between health-related physical fitness (cardiorespiratory and muscular fitness) skill-related (speed-agility) both cognitive functions academic achievement in adolescents (12–15 years). Data of 423 Dutch were analyzed (46.8% boys, age = 13.45 ± 0.43 Physical was assessed using five subtests Eurofit test battery measuring cardiorespiratory (20 m Shuttle Run Test), (Broad...