| Popis: |
The purpose of this study is to clarify whether or not specific gravity of urine and motor abilities and body composition can be correlated. One hundred and thirty healthy male students volunteered to be subjects. The variables determined in this study are as follows: specific gravity of urine, grip strength, back strength, Foster test, body weight, body fat, percent body fat (%Fat), and lean body mass (LBM). All of the subjects were asked not to drink or eat anything after 8:00 p.m. of the day before the measurement. Specific gravity of urine was detemined by using a refractometer. This study showed that there was no significant correlation between specific gravity of urine and the other variables in this study, and none of the F-values by analysis of variance of the specific qravity among all of the groups of various motor abilities and body composition levels is siqnificant. The results of this study contradict the results of an earlier study by Ebisu which showed a siqnificant correlation between specific gravity of urine and grip strength if the specific gravity is high. The subjects of the earlier study, however, were trained athletes. This study was supported in part by a research grant from the Ministry of Education in Japan. |
