Abstract
Reaction time and error rates on a simple reaction task and on a two-stage choice reaction task were measured. Performance was measured before, during and after exhaustive exercise. Nine exercise conditions were tested using a bicycle ergometer based on three pedal forces of 12.6, 21.1 and 29.5 pounds and three pedal rates of 30, 60 and 90 rpms. Exercise was continued until exhaustion or for 20 minutes. Eleven male subjects were randomly assigned to an eight man exercise group or a three-man control group. The study was conducted in three phases; an unlearned phase, a training phase and a fully learned phase.
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