Call for coordinated and systematic training load measurement (and progression) in athlete development: a conceptual model with practical steps

The recent IOC consensus statement1 on youth athletic development highlights how the careers of many youth athletes are often temporarily halted or derailed by overuse injuries, resulting from disproportionate training loads along with insufficient rest and recovery. Training volume and intensity2 as well as excessive training doses predict specific injury types.3 Recently, the acute: chronic workload ratio has shown how inappropriate short-term...