Physical Fitness Levels in Korean Adolescents: The National Fitness Award Project.

Muscular endurance There was a decreasing trend in partial curl-up performance in both boys and girls with advancing age, which was similar to the results of a previous Korean study. 5 Based on the PAPS partial curl-up criterion 26 , only a small proportion of boys were in the upper grades (grades 1 and 2), with a higher proportion in the lower grades (grades 4 and 5), while the opposite was true for girls (boys>grade 2: 16.9%, <grade 4: 47.4%; girls>grade 2: 32.4%, <grade 4: 28.1%).

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The trends were also quite different, as European adolescents showed a trend of increasing partial curl-up performance with advancing age.

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