Do you want to not run up to your potential in your next race? Simple: Do like most runners, and have your warm-up consist of some light jogging, maybe a little stretching, and perhaps a sprint or ...

After randomisation by competition region, we instructed 31 control teams (236 children, average age 12.58±1.66) to use their usual warm-up routine. The ‘VolleyVeilig’ programme was provided to 35 ...