Association between environmental heat stress and 30:15 intermittent fitness test performance in youth football players: a two-season observational study
Intermittent field tests in football are commonly conducted outdoors, exposing players to environmental heat stress. This study examined the influence of environmental heat stress on the 30:15 Intermittent Fitness Test (VIFT) performance in highly trained young football players. A total of 642 VIFT assessments were col...