Time-of-day effect on dart-throwing performance and the perception of the difficulty of the task in 9–10 year-old boys

摘要: The aim of this study was to examine the time-of-day effects on dart-throwing performance (at two distances from dartboard) and perception difficulty task in 9–10 year-old boys. In a randomized order, 12 healthy boys (age = 9.8 ± 0.5 years, height = 144 ± 6.2 cm, body-mass = 32.7 ± 3.4 kg) performed test sessions, morning at 07:00 h evening 17:00 h. During each session, during test, oral temperature, perceived (PD) were recorded. Performance throwing darts scored by three methods: mean distance dart bulls-eye, number times target missed (number zeros), variability scores thrown. Our results revealed that significantly better afternoon than morning, with lowest bulls-eye around time maximal values temperature (p < 0.001). Also, o...