Cardiovascular adaptations after 10 months of daily 12-min bouts of intense school-based physical training for 8–10-year-old children

The present study examined cardiovascular adaptations in 8–10-year-old schoolchildren after a full school year (10 months) of 5 × 12 min/wk. of intense physical training, including small-sided ball games (soccer, basketball and floorball) or interval running. The study involved 8–10-year-old healthy Danish schoolchildren (n = 232), who were cluster-randomized to a small-sided games group (SSG, n = 60), an interval running group (IR, n = 57) or a...