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A study on the key indicators of ice hockey-specific physical fitness of ice hockey players is the premise for evaluating their physical fitness. In this study, the key indicators are selected from four aspects: body shape, body functions, competence for exercising off ice and competence for exercising on ice. This study uses the Delphi method and resorts to relevant literature of research on ice hockey-specific physical fitness at home and abroad to develop the key preliminary indicators for China's elite ice hockey players' physical fitness, and on this basis, the structural entropy theory is used to reduce the uncertainties in the evaluator's understanding of those being evaluated ; the indicators are then sorted based on their importance to address the problems of weak representation, strong correlation and overlap of the index system; the final indicators for ice hockey-specific physical fitness of China's elite male ice hockey players are established. The data are verified and analyzed by using factor analysis, and finally 4 first-level, 14 second-level and 39 third-level indicators are established. Among the first-level indicators, exercising off ice is the most important, followed by indicators for body shape, competence for exercising on ice and body functions. Among the second-level indicators, width and circumference are the key indicators of body shape, aerobic energy supply and anaerobic energy supply are the key indicators of body function, strength and endurance are the key indicators of exercising on ice, and the speed on ice is the key indicator of exercising on ice. Among the third-level indicators, chest circumference, height pelvic index, lower limb length B/height, percentage of body fat, maximum oxygen uptake, cardiac function, t-test, push-up, abdominal muscle endurance, hand reaction time, standing long jump, 25*6 round-trip runs, 40-m backward slide, 4 turn back slides from the middle line to the blue line, 5 laps of figure-8 slides are the key indicators. [ABSTRACT FROM AUTHOR]

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Copyright of Journal of Wuhan Institute of Physical Education is the property of Wuhan Institute of Physical Education and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Shenyang Sport University is the property of Shenyang Physical Education Institute and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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