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The national children and youth fitness study II (NCYFS II) modified pull-up as a transition field test of upper body muscular strength and endurance for 13 year old Singaporean males
Author
Tan, Jeffrey Kong Hui
Supervisor
Walkuski, Jeffrey John
Abstract
The purpose of this study was (a) to look into the possibility of introducing the National Children and Youth Fitness Study I1 (NCYFS 11) modified pull-up test as a transition test for the measurement of upper body muscular strength and endurance for 13 year old boys; and (b) to investigate the relationship among selected variables of age, height, arm length, weight, lean body weight, percent body fat, body mass index, and the weight-for-height ratio, with the performance on the National Physical Fitness Award (NAPFA) pull-up test and the modified pull-up test.
Subjects were 68 males (mean age = 13.3 + .3 years), randomly chosen from an all boys institution in Singapore. The performance variables were measured, and subjects were tested on the NAPFA pull-up, the modified pull-up, and the NAPFA inclined flexed-arm hang. The results showed that while 79.4% of the subjects failed to accomplish a single pull-up, only 2.9% had a zero score for the modified pull-up test. Furthermore, the modified pull-up test yielded a more normally distributed curve, compare to the positively skewed one for the NAPFA pull-up.
Simple Pearson correlation between the eight performance variables and the three field measures revealed that only percent body fat was sigtu6cantly related (p 2 .05) to all three field tests. The relationship was also negative, indicating that the higher the percent body fat, the lesser the scores on the three tests. Thus while the modified pull-up test did not totally negate the effects of body fat, most subjects were still able to score better for this test compared to the traditional pull-up. Therefore the modified pull-up could also be used for children who are disadvantaged by their body fatness levels.
Subjects were 68 males (mean age = 13.3 + .3 years), randomly chosen from an all boys institution in Singapore. The performance variables were measured, and subjects were tested on the NAPFA pull-up, the modified pull-up, and the NAPFA inclined flexed-arm hang. The results showed that while 79.4% of the subjects failed to accomplish a single pull-up, only 2.9% had a zero score for the modified pull-up test. Furthermore, the modified pull-up test yielded a more normally distributed curve, compare to the positively skewed one for the NAPFA pull-up.
Simple Pearson correlation between the eight performance variables and the three field measures revealed that only percent body fat was sigtu6cantly related (p 2 .05) to all three field tests. The relationship was also negative, indicating that the higher the percent body fat, the lesser the scores on the three tests. Thus while the modified pull-up test did not totally negate the effects of body fat, most subjects were still able to score better for this test compared to the traditional pull-up. Therefore the modified pull-up could also be used for children who are disadvantaged by their body fatness levels.
Date Issued
1997
Call Number
GV481 Tan
Date Submitted
1997