Abstract
Growth and physical performance scores were studied around three years of attainment of peak height velocity (PHV). We aimed to estimate the age at peak velocity, or at peak rate, in physical performance tasks, and sex-differences when aligned by biological age. A total of 131 boys and 123 girls, 8 to 14 years of age were recruited from the Cariri region of Brazil. A mixed longitudinal design was used with four overlapping age cohorts: 8, 10, 12, and 14 years, followed for three years, with measurements performed at 6 month intervals. Height, 12 min run (12mR), handgrip strength (HG), standing long jump (SLJ), and shuttle run (SR) velocities were estimated using a non-smooth mathematical procedure. Age at PHV was 13.4 ± 1.6 years in boys compared with 12.2 ± 2.3 years in girls. Maximal velocity in SLJ was attained 6 and 3 months prior to PHV in boys and girls, respectively. For HG, peaks were attained 9 months after PHV in boys and 15 months after PHV in girls. Maximal velocity in 12mR was attained 6 months before PHV in boys and at PHV in girls, whereas a peak in SR occurred 12 months after PHV in both sexes. In conclusion, dynamic changes in physical performance relative to PHV appear similar in both sexes, although sex differences were evident in some motor tests.
Highlights
It has been shown that maturity status is associated with physical performance task development, in relation to the timing of the adolescent growth spurt in height [1]
This study aims to (1) estimate the age at peak velocity in physical performance tasks aligned by biological age and (2) to determine whether any sex-related differences exist
Height velocity increased from 2.69 cm·year−1 (18 months before peak height velocity (PHV)) to 8.49 cm·year−1 at PHV
Summary
It has been shown that maturity status is associated with physical performance task development, in relation to the timing of the adolescent growth spurt in height [1]. This is important, as moderate-to-high levels of physical performance during periods of rapid growth in adolescence are associated with health markers [2]. Res. Public Health 2019, 16, 5029; doi:10.3390/ijerph16245029 www.mdpi.com/journal/ijerph
Sign-in/Register to view highlights & summary Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: International Journal of Environmental Research and Public Health
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
