Abstract
The level of physical activity decreases with reduced skeletal muscle movement in daily activities. Motivation to keep moving and adequate physical activity can increase the value of VO max. This study aims to identify the effect of physical activity motivation in VO2 max values so as to increase the degree of fitness and health. The research uses a quasi-experimental design. Samples were high school students in Palembang were divided into 2 groups: the motivation of physical activity and the control group. The motivation for physical activity is routinely done by sending an SMS every 3 days for 60 days, VO2 max values measured using the Multistage Fitness Test and the number of daily steps using pedometers Accupedo application. A total of 80 subjects had a VO2 max pretest and posttest in the intervention group amounted to 40.5 and 42.9 ml/kg/min, while the control group 41.2 and 42.7 ml/kg/min. The number of daily steps in the intervention group for 8959 steps, while the control group of 7398 steps. Statistical analysis by paired t-test showed that there was a significant effect on the motivation of physical activity daily step count (p <0.001) and VO2 max values (p <0.001).
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