COMPARISON THE ANTHROPOMETRIC CHARACTERISTICS OF 7-14 YEARS OLD GIRLS WITH NCHS STANDARD

Purpose: The purpose of this study was comparison the anthropometric characteristics of 7-14 years old girls in Kashan city with NCHs standard. For this purpose 900 girl students (450 people from elementary school and 450 people from middle grades) using cluster sampling method form Kashan schools were chosen. Anthropometric characteristics included height, weight, body mass index (BMI) and body fat percent were measured. Then data by single-sampling t-test were analyzed (P<0/05).Results: The results showed that the average of height, weight and BMI in subjects were significantly lower than the standard values (P<0/05). Body fat percent in 8-14 years old range were significantly less than the standard values (P<0/05). But the age group of 7 years old had no significant difference with the standard value. The findings also showed that the subjects didn’t have good physical development. It was probably due to nutritional disorders and physical inactivity.Discussion and conclusion: These evidences suggested that to achieve international standards about above mentioned factors and to meet the needs of health in these age groups, following up and controlling the development process, performing regular physical activities, as well as have good nutrition are very essential and important.  Article visualizations

COMPARISON OF THE EFFECT OF INTERSET DYNAMIC AND STATIC STRETCHING ON THE UPPER AND LOWER BODY PERFORMANCE OF MALE BODYBUILDERS

Abstract. The objective of this study is to determine the acute effects of interset dynamic and static stretching on the number of repetitions of four consecutive sets of the bench press and leg press in male bodybuilders. The participants in the study were 18 male bodybuilders.The exercise protocol lasted for 14 sessions, consisting of four consecutive bench and leg press exercises in which the participants rested between sets using dynamic stretching, static stretching and non-stretching that was done on counterbalance. For this purpose, two rest intervals of 3 and 5 minutes were included between sets. The results of this study indicated that, in the 3-minute rest, although the average number of repetitions in dynamic and static stretching was greater than in the non-stretching method, the difference was not statistically significant (p< 0.05). Also, in all these three resting methods the average number of repetitions from the first to the fourth was significantly reduced. On the other hand, during the 5-minute rest interval, the difference between the mean number of repetitions of 4 sets for all three resting methods of the bench press and leg press was not significant either. Also, there was no significant difference between the mean numbers of repetitions over consecutive sets. From the findings of this study it can be concluded that, in trained male bodybuilders, stretching between sets does not have a significant effect on the performance of the next sets. In these cases the rest interval is more important than the type of rest. Key words: Bodybuilders, stretching between sets, number of repetitions, muscle performance