Abstract
Regular participation in strength and conditioning activities positively correlates with health-related benefits in sports (team and individual). Maturity offset (MO) is a recognized parameter in fitness outcome assessment. The aims of the present study are to analyze cross-sectional allometric development of motor performances in a sample of adolescents and relate scaled motor performance to the estimated amount and type of physical activity and biological maturity status in 771 subjects aged 14–19 years. Three physical fitness components were evaluated using field tests (standing broad jump, sit-ups, shuttle run). Extra hours of sport after school (EHS) and MO were the covariates. The model to predict the physical performance variables was: Y = a · Mk1 · Hk2 · WCk3 · exp(b · EHS + c · MO) · ε. Results suggest that having controlled for body size and body shape, performing EHS and being an early developer (identified by a positive MO slope parameter) benefits children in physical fitness and motor performance tasks.
Highlights
Physical activity is positively associated with good health outcomes for children and young people: psychosocial and cognitive development [1], fitness [2], bone/skeletal health [3], and cardiometabolic health [1]
The model was associated with maturity offset (MO), extra hours of sports (EHS), and categorical differences as covariates
We investigated the relationships between biological maturation/body shape characteristics and physical fitness using field tests (Eurofit battery; SBJ, SUP, Shuttle Run Test 10x 5m (SHR) 10x5m) in a cohort of adolescents [24]
Summary
Physical activity is positively associated with good health outcomes for children and young people: psychosocial and cognitive development [1], fitness [2], bone/skeletal health [3], and cardiometabolic health [1]. A robust classification of physical activity includes the type of activity, with different training plans for team or individual sports practice. Individual sports athletes train for months to achieve peak fitness and performance in a single event or a series of events [7,8]. Adjusting physical fitness test results to a child’s age at PHV rather than chronological age may be a better approach to determine trends for speed and power during growth [9]. Since higher V_ O2max levels during adolescence correspond to a higher value in adulthood, studies involving children and adolescents in youth sport classifications should apply the biological maturity criteria [12]
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