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UBC Theses and Dissertations

Comparative effects of three experimental warm-up conditions upon accuracy Benedict, Graham Evans


Two problems were examined with respect to the influence of various preliminary warm-up procedures upon accuracy as measured by the basketball free throw; first, the hypothesis that scores following a related warm-up will be higher than scores without a warm-up or scores following an unrelated warm-up; second, that there will be no significant difference between performance following an unrelated warm-up and performance without preliminary warm-up exercise. Ten highly skilled basketball players were selected to serve as subjects in the experiment. Each player was tested nine times, three times after each of the conditions of (a) no warm-up, (b) related warm-up, and (c) unrelated warm-up. The order of the experimental conditions was rotated to balance out possible learning effects and to minimize the error that might be caused by systematic sequence of testing. Results indicated that the related warm-up was significantly more effective in producing better shooting scores than either the unrelated warm-up or shooting without a preliminary warming-up. Secondly, there was no significant difference between scores obtained without a warm-up and scores made following an unrelated warm-up. It was concluded that where a related warm-up is at all possible this method is recommended over the unrelated warm-up and no warm-up to facilitate an increase in basketball free throw accuracy.

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