An examination of scientific validity for “Nijiku” sports motion theory related to association football (soccer)
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- Nunome Hiroyuki
- Research Centre of Health, Physical Fitness & Sports, Nagoya University
Bibliographic Information
- Other Title
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- サッカーに関する二軸動作(理論)の科学性の検証
- ――二軸の非科学性を問う
Description
Recently, “Nijiku” sports motion theory has been proposed and is being widely disseminated for many types of sports events including association football (soccer). It appears that this theory has some scientific basis for improving performance in sports. However, as the theory did not follow the necessary procedures, to date, its scientific validity has never been examined. This paper was designed to precisely examine the scientific validity of the “Nijiku” sports motion theory in relation to soccer from the viewpoint of science philosophy and biomechanics. Falsifiability is an important concept in science. However, only a few objective data—the ground reaction force of the supporting leg during soccer kicking and the peculiar motion referred to as “unfasten knee” motion—were demonstrated in the related literature with incorrect interpretation, and there were no falsifiable data to prove the existence of “Nijiku” during sports actions. Thus, it has been considered that the “Nijiku” sports motion theory runs contrary to the principle of science. Moreover, there are many misleading descriptions, particularly with regard to the effect of gravity. As a result, it can be considered that the “Nijiku” sports motion theory is classified as a “pseudoscience” labeled inaccurately or misleadingly portrayed as science. Scientific counterarguments to stimulate debate on these matters by the proponent and/or supporters are expected.
Journal
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- Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences)
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Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences) 53 (2), 491-500, 2008
Japan Society of Physical Education, Health and Sport Sciences
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Keywords
Details 詳細情報について
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- CRID
- 1390282679076650624
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- NII Article ID
- 130004489585
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- ISSN
- 18817718
- 04846710
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- Text Lang
- ja
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed