The Effect of Aerobic Exercise on Body Fat Percentage in 13 Year Old Female Students at Khamtoeyuppatham School in NakhonPhanom Province

Abstract

This study was a quasi - experimental research that aimed to examine the effect of aerobic on body fat percentage in 13 year old female students at Khamtoeyuppatham school in NakhonPhanom Province. A research population was 47 female students who were studying in Matthayom 1, semester 2, year 2015 at Khamtoeyuppatham school in NakhonPhanom Province. Target population was 10 female students who had body mass index between 23.0 - 30.0 and was studying in Matthayom 1, semester 2, year 2015 at Khamtoeyuppatham school in NakhonPhanom Province.

Research tool was aerobic exercise to lower body fat percentage programme which was examined empirical validity by 7 experts. Target population used exercise programme of Aerobic Fat Burn together with equipments such as towel, stick, water bottle, ball, and Hula-hoop. Exercise period was 8 weeks, 3 days a week 60 minutes per day. The intensity level was at 65 – 70 percent of maximum heart rate. This study used Repeated Measures ANOVA to analyze data for average and standard deviation within the groups; before-exercise group, 4 weeks during- exercise group, and after 8-week exercise group, by F-test.

The result of the study found out that comparison of differences, average of weight, body fat percentage of target population, Matthayom 1 female students, within 4 weeks during- exercise and after 8-weeks exercise was statistically significant difference at the 0.5 level.