The purpose of this study was to determine the effect of aerobic exercise on obese women. The research design used was a pretest-posttest two treatment design. The subjects involved in this study were 22 women divided into 2 groups, including the aerobic exercise group and the zumba group. This study was conducted 3 times a week for 12 weeks with 65-85% intensity of the maximum pulse rate. Menstrual cycle data were obtained using the interview technique and menstrual questionnaire. The results of this study indicated that aerobic exercise and zumba did not affect the menstrual cycle. Although the study data showed no increase or decrease in menstrual cycles after endurance training, overall subjects experienced positive psychological improvements and decreased menstrual pain.This study concludes that aerobic exercise is good to do because it does not affect the menstrual cycle.

Lack of physical activity and unhealthy lifestyles is no stranger to the current millennial generation. so many of them are gaining weight until they are obese. One of the characteristics of obesity is an increase in body fat percentage. Physical activity is a good way to reduce body fat percentage. The aim of the study was to examine physical activity trends in the millennial generation to decrease body fat. It used a pre-posttest two treatment design, with 22 samples of obese women, and divided into aerobic dance group and Zumba group. It was conducted 3 times in a week along 12 weeks, with intensity of 65% -85% based on maximum heart rate. The result of this study showed that aerobic dance and Zumba had an effect on body fat percentage.

The study aims to determine the influence of physical activity on obese women. The research design used is Pretest-Posttest Two Treatment Design. The subject that followed the study amounted to 22 obese women, divided into 2 groups, aerobic gymnastics and Zumba groups. The study was conducted 3 times a week, for 12 weeks, with the intemsities of 65 – 85% based on the maximum pulse of each subject. The tool used is Omron Karada Scale. The results of this research on aerobic aerobics and Zumba have been the effect of weight loss. Conclusion of this research of physical activity such as aerobic gymnastics and Zumba is able to lose the weight of obese women. Keyword : Physical Activity, Obese Women, Weight Loss