An analysis of the NCYFS II Modified Pull-up Test.
The findings of this study are summarized as follows: 1. To obtain a reliable pull-up score for male subjects, it is necessary to administer the test on two days and use the mean of the two scores. For female subjects, a reliable score may be obtained by administering the test once. 2. The test scores are weight-dependent for both sexes, but particularly for the older females. 3. The test is far superior to the pull-up and flexed-arm hang tests in regard to the zero-score problem. Zero scores are virtually eliminated with the modified pull-up test. In conclusion, the NCYFS II Modified Pull-up Test has two weaknesses--reliability for male subjects and weight dependency. The test, however, seems to be less weight dependent than the pull-ups or flexed-arm hang tests and virtually eliminates the zero-score problem. It therefore seems to be the most desirable of the tests of upper body strength currently in use. Further research regarding the validity of the test is recommended.