Abstract
A total of 75 10-sec. trials on a novel gross two-handed tracking task were given to 58 Ss over 2 days. Following the first 3 trials under control non-fatigue conditions, the experimental group performed a 4-min. initial exercise bout and further 1-min. bouts that were interpolated between 1-min. periods of continuous practice on the learning task. The control group followed the same procedures except that a vowel-cancelling task was substituted for the exercise task. The view that moderately heavy levels of physical fatigue cause little or no impairment in the learning and performance of motor skills which depend highly upon exteroceptive information was supported by the results.
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