Front Physiol 2021 18;12:638180. Epub 2021 Mar 18.
Movement, Sport, Health and Sciences Laboratory (M2S), University of Rennes 2, Rennes, France.
This study sought to analyze the relationship between in-season training workload with changes in aerobic power (VO ), maximum and resting heart rate (HR and HR ), linear sprint medium (LSM), and short test (LSS), in soccer players younger than 16 years (under-16 soccer players). We additionally aimed to explain changes in fitness levels during the in-season through regression models, considering accumulated load, baseline levels, and peak height velocity (PHV) as predictors. Twenty-three male sub-elite soccer players aged 15. Read More