Effects of time of day and distance upon accuracy and consistency of throwing darts
- 21 September 2007
- journal article
- research article
- Published by Informa UK Limited in Journal of Sports Sciences
- Vol. 25 (13), 1531-1538
- https://doi.org/10.1080/02640410701244975
Abstract
We examined variations in dart-throwing performance during the daytime in 12 participants. Two distances from the dartboard were investigated – the normal distance (short throws) and another 50% further away than this (long throws). Intra-aural temperature and subjective fatigue were measured, and errors in performance were assessed as the radial distances of throws from the bulls-eye and the standard deviation of these distances. Long-distance throws improved significantly throughout the daytime and correlated positively with intra-aural temperature (r = −0.49, P = 0.002 and r = −0.49, P = 0.002 for errors and standard deviation of errors, respectively), but not with subjective fatigue (r = −0.10, P = 0.56 and r = −0.05, P = 0.74 for errors and standard deviation of errors, respectively). Short-distance throws were associated less with intra-aural temperature (r = −0.46, P = 0.005 and r = −0.17, P = 0.31 for errors and standard deviation of errors, respectively), and worsened with fatigue (r = +0.34, P = 0.040 for errors). Compared with the short-distance throws, the long-distance throws were performed significantly less well than could be accounted for by the increased distance (mean errors were increased 1.67 – 2.78 times and standard deviation of errors of errors 1.58 – 3.68 times), supporting the concept of a trade-off between force of contraction and accuracy of performance. Throwing darts can be used as a model for investigating factors that influence motor performance, and our results indicate that the effects of time of day upon performance depend upon the relative importance of force and accuracy.Keywords
This publication has 27 references indexed in Scilit:
- Effect of time of day on the accuracy and consistency of the badminton serveErgonomics, 2005
- Diurnal variation in cycling performance: Influence of warm-upJournal of Sports Sciences, 2005
- Rhythmic variations in pain, stiffness, and manual dexterity in hand osteoarthritisAnnals Of The Rheumatic Diseases, 2002
- Circadian Variation in Sports PerformanceSports Medicine, 1996
- Work hours, sleepiness and accidents Introduction and summaryJournal of Sleep Research, 1995
- Upper Extremity Physical Factors Affecting Tennis Serve VelocityThe American Journal of Sports Medicine, 1994
- Sources of variation in back and leg dynamometryErgonomics, 1994
- Using Generalized Linear Models (GLMs) to Model Errors in Motor PerformanceJournal of Motor Behavior, 1991
- Circadian performance rhythms: some practical and theoretical implicationsPhilosophical Transactions of the Royal Society of London. B, Biological Sciences, 1990
- The influence of irregularity of rest and activity on performance: a model based on time since sleep and time of dayErgonomics, 1987