Learning Component in Repetitive Maximal Static Contractions

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Abstract
60 college men were given 12 trials on an unfamiliar and fairly complex test of static strength in a single testing period. 30 were allowed 1½ min. of rest between trials and the rest 3 min. It was hypothesized that individuals can learn how to exert force statically, i.e., significantly improve their strength scores, during practice on a test that requires the neuro-muscular integration of several muscle groups not commonly tested for strength. A second hypothesis was that there would be no difference in the amount learned between groups with 1½-min. and 3-min. rests. Results supported both hypotheses. The reliability of individual differences in learning scores was moderately high; r = .56 for single trials and .61 for a 2-trial average. Thus, individuals can learn how to exert force statically in an unfamiliar and fairly complex strength test and the influence of this learning effect can be determined, providing possible facilitative effects of training and inhibitory effects of fatigue are minimized.

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